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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#865649#9810. Obliviate, Then ReincarnateHanoistWA 103ms38796kbC++143.0kb2025-01-21 20:47:062025-01-21 20:47:06

Judging History

你现在查看的是最新测评结果

  • [2025-01-21 20:47:06]
  • 评测
  • 测评结果:WA
  • 用时:103ms
  • 内存:38796kb
  • [2025-01-21 20:47:06]
  • 提交

answer

#include<cstdio>
#include<cstring>
#include<algorithm>
#include<cmath>
#include<vector>
#include<queue>
#include<functional>
#include<utility>
#include<cassert>
using namespace std;
inline int read(){
    int x = 0,f = 1;
    char c = getchar();
    while(c < '0' || c > '9'){
        if(c == '-') f = -1;
        c = getchar();
    }
    while(c >= '0' && c <= '9'){
        x = (x << 3) + (x << 1) + (c ^ 48);
        c = getchar();
    }
    return x * f;
}
const int N = 5e5 + 11;
int n,m,q,tt,top,cnt,head[N],stak[N],dfn[N],low[N],col[N],ecnt = -1;
int ecnt1 = -1,head1[N],in1[N],pos[N];
long long val[N];
bool vis[N],flag[N];
struct yjx{
    int nxt,to;
    long long c;
}e[N],e1[N];
inline void save(int x,int y,int w){
    e[++ecnt] = (yjx){head[x],y,w};
    head[x] = ecnt;
}
inline void save1(int x,int y,int w){
    e1[++ecnt1] = (yjx){head1[x],y,w};
    head1[x] = ecnt1;
    ++in1[y];
}
void tarjan(int now){
    int i,temp;
    dfn[now] = low[now] = ++tt;
    stak[++top] = now;
    for(i = head[now];~i;i = e[i].nxt){
        temp = e[i].to;
        if(!dfn[temp]){
            tarjan(temp);
            low[now] = min(low[now],low[temp]);
        }
        else if(!col[temp]) low[now] = min(low[now],low[temp]);
    }
    if(dfn[now] == low[now]){
        col[now] = ++cnt;
        pos[cnt] = now;
        while(now != stak[top]){
            col[stak[top--]] = cnt;
        }
        --top;
    }
}
void dfs(int now){
    int i,temp;
    vis[now] = 1;
    for(i = head[now];~i;i = e[i].nxt){
        temp = e[i].to;
        if(col[temp] != col[now]) continue;
        if(vis[temp]){
            if(val[temp] != val[now] + e[i].c) flag[col[now]] = 1;
            continue;
        }
        val[temp] = val[now] + e[i].c;
        dfs(temp);
    }
}
void solve(){
    int i;
    for(i = 1;i <= cnt;i++){
        val[pos[i]] = 0;
        dfs(pos[i]);
    }
}
void rebuild(){
    int i,j,k;
    for(i = 0;i < n;i++){
        for(j = head[i];~j;j = e[j].nxt){
            k = e[j].to;
            if(col[i] != col[k]) save1(col[k],col[i],0);
        }
    }
}
void topo(){
    queue<int> Q;
    int i,now,temp;
    for(i = 1;i <= cnt;i++){
        if(!in1[i]) Q.push(i);
    }
    while(!Q.empty()){
        now = Q.front();
        Q.pop();
        for(i = head1[now];~i;i = e1[i].nxt){
            temp = e1[i].to;
            if(flag[now]) flag[temp] = 1;
            --in1[temp];
            if(!in1[temp]) Q.push(temp);
        }
    }
}
int main(){
    int t,i,j,x,y;
    n = read(),m = read(),q = read();
    memset(head1,-1,sizeof(head1));
    memset(head,-1,sizeof(head));
    for(i = 1;i <= m;i++){
        x = read(),y = read();
        x = (x % n + n) % n;
        save(x,x + (y % n + n) % n,y);
    }
    for(i = 0;i < n;i++){
        if(!dfn[i]) tarjan(i);
    }
    solve();
    rebuild();
    topo();
    for(i = 1;i <= q;i++){
        x = read();
        if(flag[col[(x + n % n) % n]]) puts("Yes");
        else puts("No");
    }
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 22172kb

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: 0ms
memory: 21860kb

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: 0ms
memory: 23484kb

input:

1 1 1
0 1000000000
-1000000000

output:

Yes

result:

ok "Yes"

Test #4:

score: 0
Accepted
time: 1ms
memory: 21984kb

input:

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

output:

No
No
No

result:

ok 3 tokens

Test #5:

score: 0
Accepted
time: 103ms
memory: 36316kb

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:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
...

result:

ok 500000 tokens

Test #6:

score: -100
Wrong Answer
time: 102ms
memory: 38796kb

input:

100848 500000 500000
720352587 361776806
231853504 -933882325
960971230 -83519300
-152772415 -631132247
842871215 -666621297
857194330 -754943024
-698506963 -705416545
-3551931 -927937446
628710320 -942247987
674921043 847145884
-325629529 475694308
-339363446 686789318
236702996 654762989
420412365...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No...

result:

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