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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#668423#5544. Grid GametemmieWA 1ms3764kbC++171003b2024-10-23 14:20:582024-10-23 14:21:03

Judging History

你现在查看的是最新测评结果

  • [2024-10-23 14:21:03]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3764kb
  • [2024-10-23 14:20:58]
  • 提交

answer

#include <bits/stdc++.h>
#define int long long
#define ALL(x) x.begin(), x.end()
#define SZ(x) ((int)x.size())
#define fastio ios::sync_with_stdio(0), cin.tie(0);
using namespace std;

#ifdef LOCAL
#define cout cout << "\033[0;32m"
#define cerr cerr << "\033[0;31m"
#define endl "\n" << "\033[0m"
#else
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,avx2,sse,sse2,sse3,sse4,popcnt")
#define endl "\n"
#endif

const int MAX_N = 5e5+10;
const int INF = 2e18;

int n, m;
vector<vector<int>> arr;

void solve1(){

	// input
	cin >> n >> m;
	arr.assign(n+1, vector<int>(m+1, -1));
	for (int i=0 ; i<n ; i++){
		for (int j=0 ; j<m ; j++){
			cin >> arr[i][j];
		}
	}

	int nim = 0;
	for (int i=0 ; i<n ; i++){
		for (int j=0 ; j<m ; j++){
			if (arr[i+1][j]==-1 && arr[i][j+1]==-1){
				nim ^= arr[i][j];
			}
		}
	}

	// output
	cout << (nim ? "first" : "second") << endl;

    return;
}

signed main(){

    fastio;

    int t = 1;
    while (t--){
        solve1();
    }

    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3764kb

input:

5 6
0 0 0 0 0 0
0 3 3 0 0 0
0 0 3 -1 0 0
0 0 3 3 3 3
0 0 -1 -1 -1 -1

output:

first

result:

ok single line: 'first'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

2 2
1 1
2 -1

output:

first

result:

ok single line: 'first'

Test #3:

score: -100
Wrong Answer
time: 1ms
memory: 3572kb

input:

1 1
-1

output:

first

result:

wrong answer 1st lines differ - expected: 'second', found: 'first'