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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#401384#5414. Stop, Yesterday Please No MoreqmqcbhcWA 4ms11560kbC++141.7kb2024-04-28 16:37:122024-04-28 16:37:13

Judging History

你现在查看的是最新测评结果

  • [2024-04-28 16:37:13]
  • 评测
  • 测评结果:WA
  • 用时:4ms
  • 内存:11560kb
  • [2024-04-28 16:37:12]
  • 提交

answer

#include <bits/stdc++.h>
#define endl "\n"
using namespace std;
typedef long long ll;
const int maxn = 1e3+10;

int t,n,m,k;
int a[maxn][maxn];
int vis[maxn][maxn];

int main()
{
	ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> t;
    while(t--){
    	memset(a,0,sizeof(a));
    	memset(vis,0,sizeof(vis));
    	string s;
    	cin >> n >> m >> k;
		cin >> s;
		int tu=1,td=n,tl=1,tr=m;
		int u=1,d=n,l=1,r=m;
		for(int i=0; i<s.length(); i++){
			switch(s[i]){
				case 'U':
					tu++,td++;
					break;
				case 'D':
					tu--,td--;
					break;
				case 'L':
					tl++,tr++;
					break;
				case 'R':
					tl--,tr--;
					break;
			}
			u=max(u,tu);
			d=min(d,td);
			l=max(l,tl);
			r=min(r,tr);
		}
		if(u>d || l>r){
			if(k!=0) cout << 0 << endl;
			else cout << n*m << endl;
			continue;
		}
		if((d-u+1)*(r-l+1)<k){
			cout << 0 << endl;
			continue;
		}
		k=(d-u+1)*(r-l+1)-k;
		tu=u,td=d,tl=l,tr=r;
		//a[u][l]++,a[d+1][l]--,a[u][r+1]--,a[d+1][r+1]++;
		for(int i=0; i<s.length(); i++){
			switch(s[i]){
				case 'U':
					tu--,td--;
					break;
				case 'D':
					tu++,td++;
					break;
				case 'L':
					tl--,tr--;
					break;
				case 'R':
					tl++,tr++;
					break;
			}
			if(!vis[tu][tl])
			{
				vis[tu][tl]=1;
				a[tu][tl]++,a[td+1][tl]--,a[tu][tr+1]--,a[td+1][tr+1]++;
			}
		}
		for(int i=1; i<=n; i++){
			for(int j=1; j<=m; j++){
				a[i][j]+=a[i-1][j]+a[i][j-1]-a[i-1][j-1];
			}
		}
		int ans=0;
		for(int i=1; i<=n; i++){
			for(int j=1; j<=m; j++){
				if(a[i][j]==k){
					cout << i << " " << j << endl;
					ans++;
				}
			}
		}
		cout << ans << endl;
	}
}

Details

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Test #1:

score: 0
Wrong Answer
time: 4ms
memory: 11560kb

input:

3
4 5 3
ULDDRR
4 5 0
UUUUUUU
4 5 10
UUUUUUU

output:

2 2
2 3
3 2
4 3
4
20
0

result:

wrong answer 2nd numbers differ - expected: '20', found: '2'