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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#423347#8109. Postcards_qwqUwUWA 262ms42584kbC++202.9kb2024-05-27 22:30:192024-05-27 22:30:21

Judging History

你现在查看的是最新测评结果

  • [2024-05-27 22:30:21]
  • 评测
  • 测评结果:WA
  • 用时:262ms
  • 内存:42584kb
  • [2024-05-27 22:30:19]
  • 提交

answer

#include<bits/stdc++.h>
#define pb push_back
#define P make_pair
#define fi first
#define se second
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
#define per(i,a,b) for(int i=(a);i>=(b);--i)
#define bit(s,x) (((s)>>(x))&1)
#define pnp(s) __builtin_popcount(s)
#define lb(x) (x&-x)
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
inline ll read(){
	ll x=0,f=1,c=getchar();
	while(c<'0'||c>'9')f=(c=='-'?-1:1),c=getchar();
	while(c>='0' && c<='9')x=x*10 + c-'0',c=getchar();
	return x*f;
}
const int N=3002;
const int K=101;
const int M=5e5+3;
int n,m;
bitset<K>to[K];
int U[M],V[M],G[N][N],anc[N],dfn[N],siz[N],dep[N],tim;
inline void dfs1(int u){
	dfn[u]=++tim;siz[u]=1;
	rep(i,1,n)if(!dfn[i] && G[u][i]){
		dep[i] = dep[u]+1; anc[i]=u;
		dfs1(i);siz[u] += siz[i];
	}
}
inline bool in(int u,int v){return dfn[u]<=dfn[v] && dfn[v]<dfn[u]+siz[u];}
inline void dfs2(int u,int op){
	rep(i,1,n)if(anc[i] == u){
		dfs2(i,op);
		if(!op)rep(j,1,n)G[u][j] += G[i][j];
		else rep(j,1,n)G[j][u] += G[j][i];
	}
}
int main(){
	//freopen("data.in","r",stdin);
	//freopen(".in","r",stdin);
	//freopen(".out","w",stdout);
	n=read(),m=read();int QQ=read();
	rep(i,1,m){
		U[i]=read(),V[i]=read();
		++G[U[i]][V[i]];
		++G[V[i]][U[i]];
	}
	dfs1(1);dfs2(1,0),dfs2(1,1);
	int lst=0;
	while(QQ--){
		int R=read();
		vector<int>vec(1,1);
		static int a[K],b[K],c[K];
		rep(i,1,R){
			int x=c[i]=(read()+lst)%m+1;
			a[i]=read(),b[i]=read();
			if(dep[U[x]] > dep[V[x]])swap(U[x],V[x]),swap(a[i],b[i]);
			if(anc[V[x]] == U[x])vec.pb(V[x]);
		}
		sort(vec.begin(),vec.end(),[&](int x,int y){return dep[x]<dep[y];});
		static int id[N];rep(i,0,vec.size()-1)id[vec[i]]=i;
		auto get = [&](int v){
			int res=1;
			for(auto u:vec)if(in(u,v) && dep[res] < dep[u])res=u;
			return id[res];
		};
		static int w[K][K];
		const int N=vec.size()-1;
		rep(i,0,N)rep(j,0,N)w[i][j]=0;
		static int sz[K];
		rep(i,0,N)sz[i]=siz[vec[i]];
		per(i,N,0)rep(j,i+1,N)if(in(vec[i],vec[j]))sz[i]-=sz[j];
		//rep(i,0,N)tmp[i]=get(anc[vec[i]]);
		static vector<int>F[K];
		rep(i,0,N)F[i].clear();
		rep(i,1,N)F[get(anc[vec[i]])].pb(vec[i]);
		rep(i,0,N)rep(j,0,N){
			w[i][j]=G[vec[i]][vec[j]];
			for(auto x:F[j])w[i][j]-=G[vec[i]][x];
			for(auto x:F[i])w[i][j]-=G[x][vec[j]];
			for(auto x:F[i])for(auto y:F[j])w[i][j]+=G[x][y];
		}
		rep(i,1,R){
			int u=get(U[c[i]]),v=get(V[c[i]]);
			if(a[i])--w[u][v];
			if(b[i])--w[v][u];
		}
		rep(i,0,N) to[i].reset(),to[i].set(i);
		rep(i,0,N)rep(j,0,N)assert(w[i][j]>=0);
		rep(i,0,N)rep(j,0,N)if(w[i][j])to[j].set(i);
		rep(i,1,R){
			int u=get(U[c[i]]),v=get(V[c[i]]);
			if(!a[i])to[v].set(u);
			if(!b[i])to[u].set(v);
		}
		rep(k,0,N)rep(i,0,N)if(to[i][k])to[i] |= to[k];
		int ans=0;
		rep(i,0,N)if(to[i].count() == N+1)ans += sz[i];
		printf("%d\n",ans);lst+=ans;
	}
	return 0;
}
/*
4 4 3
1 2
4 3
2 3
1 3
2
3 1 1
1 0 1
3
1 1 0
0 1 0
3 1 0
1
1 1 1
*/

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 8188kb

input:

4 4 3
1 2
4 3
2 3
1 3
2
3 1 1
1 0 1
3
1 1 0
0 1 0
3 1 0
1
1 1 1

output:

3
1
0

result:

ok 3 number(s): "3 1 0"

Test #2:

score: -100
Wrong Answer
time: 262ms
memory: 42584kb

input:

3000 11860 5000
135 1279
1379 1627
1253 2516
338 1596
260 1086
1153 2182
527 732
500 2820
1395 1556
793 1491
2673 2746
1630 1792
1720 2871
443 2095
1095 1296
2008 2358
1685 1801
2356 2704
1856 2698
1798 2134
1683 1792
812 2977
43 1507
1297 1574
222 1563
1278 2168
1181 1851
1492 2757
432 1459
428 902...

output:

3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
2999
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
...

result:

wrong answer 353rd numbers differ - expected: '1', found: '2999'