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Envío 2755

Problema 0x94 - Subarreglo de máxima suma

  • Autor: pradomaricon
  • Fecha: 2021-02-04 01:36:17 UTC (Hace casi 4 años)
Caso # Resultado Tiempo Memoria
#1
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#2
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#3
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#4
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#5
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#6
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#7
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#8
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#9
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#10
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#11
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#12
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#13
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#14
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#15
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#16
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#17
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#18
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#19
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#20
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#21
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#22
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#23
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
#24
Error de compilación 
                      main.cpp:37:5: error: use of undeclared identifier 'vector'
    vector<int> a(n);
    ^
main.cpp:37:15: error: expected '(' for function-style cast or type construction
    vector<int> a(n);
           ~~~^
main.cpp:37:17: error: use of undeclared identifier 'a'
    vector<int> a(n);
                ^
main.cpp:40:16: error: use of undeclared identifier 'a'
        cin >> a[i];
               ^
main.cpp:43:20: error: use of undeclared identifier 'a'
    cout << kadane(a, n);
                   ^
5 errors generated.
Puntos totales: 0 / 100

Código

#include <iostream>
using namespace std;
 
// Function to find the maximum sum of a contiguous subarray
// in a given integer array
int kadane(int arr[], int n)
{
    // stores the maximum sum subarray found so far
    int max_so_far = 0;
 
    // stores the maximum sum of subarray ending at the current position
    int max_ending_here = 0;
 
    // traverse the given array
    for (int i = 0; i < n; i++)
    {
        // update the maximum sum of subarray "ending" at index `i` (by adding the
        // current element to maximum sum ending at previous index `i-1`)
        max_ending_here = max_ending_here + arr[i];
 
        // if the maximum sum is negative, set it to 0 (which represents
        // an empty subarray)
        max_ending_here = max(max_ending_here, 0);
 
        // update the result if the current subarray sum is found to be greater
        max_so_far = max(max_so_far, max_ending_here);
    }
 
    return max_so_far;
}
 
int main()
{
     int n;
    cin >> n;
    vector<int> a(n);

    for(int i =0;i<n;++i){
        cin >> a[i];
    }
 
    cout << kadane(a, n);
 
    return 0;
}