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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#798273#9810. Obliviate, Then ReincarnateIGVAWA 81ms41592kbC++143.5kb2024-12-04 10:58:512024-12-04 10:58:53

Judging History

This is the latest submission verdict.

  • [2024-12-04 10:58:53]
  • Judged
  • Verdict: WA
  • Time: 81ms
  • Memory: 41592kb
  • [2024-12-04 10:58:51]
  • Submitted

answer

#include<bits/stdc++.h>
#define ll long long
#define inf 0x3f3f3f3f
#define rep(i,a,b) for(int i=(a),i##_end=(b);i<=i##_end;++i)
#define dep(i,a,b) for(int i=(a),i##_end=(b);i>=i##_end;--i)
using namespace std;
template<class T>inline T mymin(T x,T y){return x<y?x:y;}
template<class T>inline T mymax(T x,T y){return x>y?x:y;}
template <typename T>
inline void read(T &X){
    X=0;int w=0; char ch=0;
    while(!isdigit(ch)) {w|=ch=='-';ch=getchar();}
    while(isdigit(ch)) X=X*10+(ch^48),ch=getchar();
    if(w) X=-X;
}
const int maxn = 5e5 + 5;
//const double pi = acos(-1.0);
//const double eps = 1e-9;
//const int mo = 1e9 + 7;
int n,m,k,q;
int a[maxn],c[maxn];
int ans,tmp,cnt;
int flag;
char s[maxn];
bool ok[maxn];
vector<int>vc[maxn];
queue<int>Q;
int num;  
int l,he[maxn],ru[maxn],chu[maxn],low[maxn],dfn[maxn],sz[maxn];  
int pre[maxn],f,sta[maxn],j,ti;  
int t,h,sum[maxn];  
bool us[maxn];  
struct node{
    int v,nex;  
    bool vis;  
}e[maxn];
void init(){  
    t=0;cnt=0;f=0;ti=0;  
    memset(he,-1,sizeof(he));  
    memset(ru,0,sizeof(ru));  
    memset(dfn,0,sizeof(dfn)); //注意  
    memset(us,0,sizeof(us));  
    memset(sum,0,sizeof(sum));  
    rep(i,0,n) sz[i] = 0;
} 
void add(int u,int v)  
{  
    e[t].v=v;  
    e[t].vis=0;  
    e[t].nex=he[u];  
    he[u]=t++;  
}
void tar(int k)  
{  
    low[k]=dfn[k]=++ti;  
    us[k]=1;  
    sta[++f]=k;  
    for(int i=he[k];i!=-1;i=e[i].nex)  
    {  
        int v=e[i].v;  
        if(!dfn[v])  
        {  
         tar(v);  
         low[k]=min(low[k],low[v]);  
        }  
        else if(us[v]) low[k]=min(low[k],dfn[v]);  
    }  
    if(low[k]==dfn[k])  
    {  
        cnt++;  
        do{  
            j=sta[f--];  
            us[j]=0;
            sum[j]=cnt;
			sz[cnt]++;  
        }while(j!=k);  
    }
}
void sol()  
{  
 for(int i=1;i<=n;i++)  
 if(!dfn[i]) tar(i);
}
int X[maxn],Y[maxn];
void solve(){
	init();
    read(n);read(m);read(q);
	rep(i,0,n) ok[i] = 0;
    cnt = 0;
    rep(i,1,m){
        int x,y;
		read(x);read(y);
		if(y == 0) continue;
		if(y % n == 0){
            x = (x % n + n) % n;
			ok[x] = 1;
			continue;
		}
        if(y > 0){
            x = (x % n + n) % n;
            y = (y % n + n) % n;
		    int nxt = (x + y) % n;
		    add(nxt,x);
            continue;
        }
        X[++cnt] = x;
        Y[++cnt] = y;
    }
	sol();
	rep(i,1,n) if(sz[sum[i]] > 1) ok[i] = 1;
	rep(i,1,n) if(ok[i]){
		Q.push(i);
		while(!Q.empty()){
			int x = Q.front();Q.pop();
			for(int j=he[x];j!=-1;j=e[j].nex)  {
				int v = e[j].v;
				if(!ok[v]){
					ok[v] = 1;
					Q.push(v);
				}
			}
		}
	}
    // rep(i,1,n) cout<<"debug: "<<i<<" "<<ok[i]<<endl;

    init();
    rep(i,1,cnt){
        int x = X[i];
        int y = Y[i];
        x = (x % n + n) % n;
        y = (y % n + n) % n;
        int nxt = (x + y) % n;
		add(nxt,x);
    }
    sol();
	rep(i,1,n) if(sz[sum[i]] > 1) ok[i] = 1;
	rep(i,1,n) if(ok[i]){
		Q.push(i);
		while(!Q.empty()){
			int x = Q.front();Q.pop();
			for(int j=he[x];j!=-1;j=e[j].nex)  {
				int v = e[j].v;
				if(!ok[v]){
					ok[v] = 1;
					Q.push(v);
				}
			}
		}
	}
	rep(i,1,q){
		int x;
		read(x);
		x = (x % n + n) % n;
		if(ok[x]) puts("Yes");
		else puts("No");
	}
    // printf("%d\n",ans);
}
int main(){
    //cin.tie(0)->sync_with_stdio(false);
    int T=1,cas=1;
    //read(T);
    while(T--) solve();
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 3ms
memory: 36340kb

input:

3 2 3
1 1
-1 3
1
2
3

output:

Yes
Yes
No

result:

ok 3 tokens

Test #2:

score: 0
Accepted
time: 4ms
memory: 36392kb

input:

3 2 3
1 1
-1 0
1
2
3

output:

No
No
No

result:

ok 3 tokens

Test #3:

score: 0
Accepted
time: 3ms
memory: 34348kb

input:

1 1 1
0 1000000000
-1000000000

output:

Yes

result:

ok "Yes"

Test #4:

score: 0
Accepted
time: 0ms
memory: 36640kb

input:

3 2 3
0 1000000000
1 -1000000000
-1000000000
0
-1000000000

output:

No
No
No

result:

ok 3 tokens

Test #5:

score: -100
Wrong Answer
time: 81ms
memory: 41592kb

input:

50134 500000 500000
-154428638 -283522863
-186373509 -327130969
154999046 46750274
-933523447 349415487
-437683609 140099255
864996699 -262318199
811293034 -264299324
120273173 52410685
874944410 -52048424
445049930 -803690605
-138111276 -104634331
720288580 126597671
471164416 -348777147
-356502322...

output:

Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Ye...

result:

wrong answer 1st words differ - expected: 'No', found: 'Yes'