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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#618375#1869. Power Station of ArtFanyuXWA 147ms45176kbC++141.8kb2024-10-06 21:34:412024-10-06 21:34:44

Judging History

你现在查看的是最新测评结果

  • [2024-10-06 21:34:44]
  • 评测
  • 测评结果:WA
  • 用时:147ms
  • 内存:45176kb
  • [2024-10-06 21:34:41]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ri register
#define pii pair<int,int>
#define F first
#define S second
#define pb push_back
const int inf=0x3f3f3f3f;
inline int rd(){
	int x=0,y=1;char c=getchar();
	for(;c<'0'||c>'9';c=getchar())if(c=='-')y=-1;
	for(;c>='0'&&c<='9';c=getchar())x=(x<<1)+(x<<3)+(c^48);
	return x*y;
}
const int N=1e6+5;
int n,m,t,w[2][N];
bool vis[N],c[N],flg;
vector<int>e[N],vt[2];
char s[2][N];
void dfs(int u,bool co){
	if(vis[u]){
		flg|=c[u]!=co;
		return ;
	}
	c[u]=co;vis[u]=1;
	vt[co].pb(u);
	for(auto v:e[u])dfs(v,!co);
}
void sol(){
	for(int i=1;i<=n;i++)if(!vis[i]){
		flg=0;
		for(int j=0;j<2;j++)vt[j].clear();
		dfs(i,0);
		if(!flg){
			vector<pii>vc[2];
			for(int x=0;x<2;x++)
				for(auto j:vt[x])
					for(int k=0;k<2;k++)
						if(x)vc[k].pb({w[k][j],s[k][j]^'B'^'R'});
						else vc[k].pb({w[k][j],s[k][j]});
			for(int j=0;j<2;j++)
				sort(vc[j].begin(),vc[j].end());
			for(int j=0;j<vc[0].size();j++)
				if(vc[0][j].F!=vc[1][j].F||vc[0][j].S!=vc[1][j].S)
					return puts("NO"),void();
		}else{
			int cnt[2]={};
			vector<int>val[2];
			for(int x=0;x<2;x++)
				for(auto j:vt[x])
					for(int k=0;k<2;k++)
						cnt[k]+=s[k][j]=='B'?-1:1,
						val[k].pb(w[k][j]);
			for(int j=0;j<2;j++)
				sort(val[j].begin(),val[j].end());
			for(int j=0;j<val[0].size();j++)
				if(val[0][j]^val[1][j])return puts("NO"),void();
			if(cnt[0]+cnt[1]&1)return puts("NO"),void();
		}
	}
	puts("YES");
}
signed main(){
	for(t=rd();t--;){
		n=rd();m=rd();
		for(int i=1;i<=n;i++)e[i].clear(),vis[i]=0;
		for(int u,v;m--;)
			u=rd(),v=rd(),e[u].pb(v),e[v].pb(u);
		for(int i=0;i<2;i++){
			for(int j=1;j<=n;j++)w[i][j]=rd();
			scanf("%s",s[i]+1);
		}
		sol();
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 34368kb

input:

3
2 1
1 2
3 4
RR
4 3
BB
3 2
1 2
2 3
1 1 1
RBR
1 1 1
BBB
3 3
1 2
2 3
3 1
1 1 1
RBR
1 1 1
BBB

output:

YES
NO
YES

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 147ms
memory: 45176kb

input:

25054
5 10
4 5
4 2
4 3
4 1
5 2
5 3
5 1
2 3
2 1
3 1
12 2 9 10 7
RRRBB
10 2 9 7 12
RRBRB
1 0
4
R
4
R
8 4
4 3
1 5
8 5
6 5
7 2 11 10 9 6 3 5
RBRBBRBR
7 2 10 11 6 5 3 9
RBRBBRBR
7 4
7 2
5 1
5 6
5 4
12 5 9 14 5 12 12
RRBRBRR
14 12 9 5 12 12 5
RBBRBRB
10 1
4 6
5 3 2 9 7 3 11 11 6 8
RRRBRRBBBR
5 3 2 3 7 9 1...

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
NO
YES
YES
YES
NO
YES
NO
YES
YES
NO
YES
YES
NO
YES
NO
YES
YES
YES
YES
NO
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
YES
NO
...

result:

wrong answer 10th lines differ - expected: 'NO', found: 'YES'