Submission #1618598


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#include <iostream>
#include <vector>
#include <algorithm>
#include <string>

#define REP(i,a,b) for(int i=int(a);i<int(b);i++)

using namespace std;

typedef long long int lli;

int main () {
    int H, W;
    cin >> H >> W;
    vector<vector<char>> a(H, vector<char>(W));
    int cnt[26] = {0};
    REP (i, 0, H) REP (j, 0, W) {
        cin >> a[i][j];
        cnt[a[i][j] - 'a']++;
    }
    int d4 = 0, d2 = 0, d1 = 0;
    REP (i, 0, 26) {
        if (cnt[i] / 4) {
            d4 += cnt[i] / 4;
            cnt[i] %= 4;
        }
        if(cnt[i] / 2) {
            d2 += cnt[i] / 2;
            cnt[i] %= 2;
        }
        d1 += cnt[i];
    }

    if ((d1 <= (H % 2 && W % 2)) && (d2 <= (W % 2) * (H / 2) + (H % 2) * (W / 2)) && (((W % 2) * (H / 2) + (H % 2) * (W / 2) - d2) % 2 == 0)) {
        cout << "Yes" << endl;
    } else {
        cout << "No" << endl;
    }

    return 0;
}

Submission Info

Submission Time
Task C - Palindromic Matrix
User commy
Language C++14 (GCC 5.4.1)
Score 400
Code Size 936 Byte
Status
Exec Time 2 ms
Memory 256 KB

Test Cases

Set Name Score / Max Score Test Cases
Sample 0 / 0 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt
All 400 / 400 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt
Case Name Status Exec Time Memory
0_00.txt 1 ms 256 KB
0_01.txt 1 ms 256 KB
0_02.txt 1 ms 256 KB
0_03.txt 1 ms 256 KB
0_04.txt 1 ms 256 KB
1_00.txt 1 ms 256 KB
1_01.txt 1 ms 256 KB
1_02.txt 1 ms 256 KB
1_03.txt 1 ms 256 KB
1_04.txt 1 ms 256 KB
1_05.txt 1 ms 256 KB
1_06.txt 1 ms 256 KB
1_07.txt 1 ms 256 KB
1_08.txt 1 ms 256 KB
1_09.txt 2 ms 256 KB
1_10.txt 2 ms 256 KB
1_11.txt 2 ms 256 KB
1_12.txt 2 ms 256 KB
1_13.txt 2 ms 256 KB
1_14.txt 2 ms 256 KB
1_15.txt 1 ms 256 KB
1_16.txt 1 ms 256 KB
1_17.txt 1 ms 256 KB
1_18.txt 1 ms 256 KB
1_19.txt 1 ms 256 KB
1_20.txt 1 ms 256 KB
1_21.txt 1 ms 256 KB
1_22.txt 1 ms 256 KB
1_23.txt 1 ms 256 KB
1_24.txt 1 ms 256 KB
1_25.txt 1 ms 256 KB
1_26.txt 1 ms 256 KB