Submission #2559215

---

Source Code Expand

#include <cmath>
#include <iostream>
#include <vector>
#include <queue>
#include <map>
#include <set>
#include <algorithm>
#include <utility>
#include <iomanip>

#define int long long int
#define rep(i, n) for(int i = 0; i < (n); ++i)

using namespace std;

typedef pair<int, int> P;

const int INF = 1e15;
const int MOD = 1e9+7;

signed main(){
    int h, w;
    cin >> h >> w;

    vector<int> a(26);
    rep(i, h){
        rep(j, w){
            char c;
            cin >> c;
            a[c-'a']++;
        }
    }

    int odd = 0;
    int twice = 0;
    rep(i, 26){
        if(a[i] % 2 == 1){
            odd++;
        }
        if(a[i] == 2 || a[i] == 3){
            twice++;
        }
    }

    int twiceLimit = 0;
    if(h % 2 == 1){
        twiceLimit += w / 2;
    }
    if(w % 2 == 1){
        twiceLimit += h / 2;
    }

    if(odd > 1 || h * w % 2 == 1 && odd != 1 || twiceLimit < twice){
        cout << "No" << endl;
        return 0;
    }

    cout << "Yes" << endl;


    return 0;
}

Submission Info

Compile Error

./Main.cpp:53:34: warning: '&&' within '||' [-Wlogical-op-parentheses]
    if(odd > 1 || h * w % 2 == 1 && odd != 1 || twiceLimit < twice){
               ~~ ~~~~~~~~~~~~~~~^~~~~~~~~~~
./Main.cpp:53:34: note: place parentheses around the '&&' expression to silence this warning
    if(odd > 1 || h * w % 2 == 1 && odd != 1 || twiceLimit < twice){
                                 ^
                  (                         )
1 warning generated.

Judge Result