제출 #1203646

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1203646		fadyscube	September (APIO24_september)	C++20	28 / 100	64 ms	7424 KiB

september

#include "september.h"

#include <vector>
#include <bits/stdc++.h>

using namespace std;

int solve(int N, int M, std::vector<int> F, std::vector<std::vector<int>> S) {
    vector<vector<int>> prefMax(M, vector<int>(N, 0));
    for (int i = 0; i < M; i++) {
        vector<int> v = S[i];
        reverse(v.begin(), v.end());
        prefMax[i][0] = v[0];
        for (int j = 1; j < N-1; j++) {
            prefMax[i][j] = max(prefMax[i][j-1], v[j]);
        }
    }

    int k = 0;

    for (int i = 0; i < N-1; i++) {
        int currMax = prefMax[0][i];
        for (int j = 1; j < M; j++) {
            if (prefMax[j][i] != currMax) {
                goto here;
            }
        }
        if (currMax == i+1) k++;

        here:;
    }

    return k;
}

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