Submission #1153588

#	Time	Username	Problem	Language	Result	Execution time	Memory
1153588		lrnnz	September (APIO24_september)	C++17	Compilation error	0 ms	0 KiB

september

#include "september.h"

#include <vector>

int solve(int N, int M, std::vector<int> F, std::vector<std::vector<int>> S) {
    int ans = 0;
    int diffs = 0;
    map<int,int> cnts;

    for (int i = N-2; i >= 0; i--){
        for (auto x : S){
            int node = x[i];
            cnts[node]++;
            if (cnts[node] == 1){
                diffs++;
            }

            if (cnts[node] == M){
                diffs--;
            }
        }
        if (diffs == 0)
        ans++;
    }

    return ans;
}

Compilation message (stderr)

september.cpp: In function 'int solve(int, int, std::vector<int>, std::vector<std::vector<int> >)':
september.cpp:8:5: error: 'map' was not declared in this scope
    8 |     map<int,int> cnts;
      |     ^~~
september.cpp:8:9: error: expected primary-expression before 'int'
    8 |     map<int,int> cnts;
      |         ^~~
september.cpp:13:13: error: 'cnts' was not declared in this scope
   13 |             cnts[node]++;
      |             ^~~~