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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#798273 | #9810. Obliviate, Then Reincarnate | IGVA | WA | 81ms | 41592kb | C++14 | 3.5kb | 2024-12-04 10:58:51 | 2024-12-04 10:58:53 |
Judging History
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;
}
詳細信息
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'