Submission #1693829


Source Code Expand

#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <algorithm>
#include <cstring>
#include <vector>
#include <map>
#include <cmath>
#include <numeric>

#define rep(i,n) for(int i = 0;i < (n);i++)
#define repp(i,j, n) for(int i = (j);i < (n);i++)
#define all(x) (x).begin(),(x).end()
#define pb(x) push_back(x)
#define mp(a,b) make_pair(a,b)
#define INF 1e9

using namespace std;

typedef long long int ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vl;
typedef vector<pair<int, int> > vpi;
typedef vector<pair<ll, ll> > vpl;

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  int h, w;
  cin >> h >> w;
  int alpha[26]={0};
  rep(i, h){
    string a;
    cin >> a;
    rep(j, w) alpha[(int)a[j]-'a']++;
  }
  int count = 0, odd = 0;
  rep(i, 26){
    if(alpha[i] >= 4){
      count++;
    }
    if(alpha[i]%2!=0) odd++;
  }

  if((h%2==0?h:h-1)*(w%2==0?w:w-1)/4 <= count
     && odd == ((h%2!=0&&w%2!=0)?1:0)){
    cout << "Yes" << endl;
  }else{
    cout << "No" << endl;
  }
  return 0;
}

Submission Info

Submission Time
Task C - Palindromic Matrix
User oshiumi
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1092 Byte
Status WA
Exec Time 2 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
AC × 5
AC × 26
WA × 6
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt
All 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 AC 1 ms 256 KB
0_01.txt AC 1 ms 256 KB
0_02.txt AC 1 ms 256 KB
0_03.txt AC 1 ms 256 KB
0_04.txt AC 1 ms 256 KB
1_00.txt AC 1 ms 256 KB
1_01.txt AC 1 ms 256 KB
1_02.txt AC 1 ms 256 KB
1_03.txt AC 1 ms 256 KB
1_04.txt AC 1 ms 256 KB
1_05.txt AC 1 ms 256 KB
1_06.txt AC 1 ms 256 KB
1_07.txt AC 1 ms 256 KB
1_08.txt AC 1 ms 256 KB
1_09.txt WA 1 ms 256 KB
1_10.txt AC 2 ms 256 KB
1_11.txt AC 1 ms 256 KB
1_12.txt WA 1 ms 256 KB
1_13.txt AC 1 ms 256 KB
1_14.txt AC 2 ms 256 KB
1_15.txt WA 1 ms 256 KB
1_16.txt AC 1 ms 256 KB
1_17.txt AC 1 ms 256 KB
1_18.txt WA 1 ms 256 KB
1_19.txt AC 1 ms 256 KB
1_20.txt AC 1 ms 256 KB
1_21.txt WA 1 ms 256 KB
1_22.txt AC 1 ms 256 KB
1_23.txt AC 1 ms 256 KB
1_24.txt WA 1 ms 256 KB
1_25.txt AC 1 ms 256 KB
1_26.txt AC 1 ms 256 KB