QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#671006 | #997. 2-SAT 问题 | zhenjianuo2025 | WA | 28ms | 17736kb | C++14 | 2.2kb | 2024-10-24 09:48:29 | 2024-10-24 09:48:39 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define pii pair<int,int>
#define piii tuple<int,int,int>
#define mp make_pair
#define mt make_tuple
#define x first
#define y second
#define fi first
#define se second
#define era erase
#define ins insert
#define it iterator
#define lb lower_bound
#define ub upper_bound
#define exc(exp) if(exp)continue;
#define ret(exp) if(exp)return;
#define stop(exp) if(exp)break;
#define quit(sth) {sth;return;}
#define let(var...) int var;tie(var)
#define siz(vec) ((int)((vec).size()))
#define all(vec) (vec).begin(),(vec).end()
#define unq(vec) sort(all(vec)),(vec).erase(unique(all(vec)),(vec).end())
#define deb(var) cerr<<#var<<'='<<(var)<<"; "
#define debl(var) cerr<<#var<<'='<<(var)<<";\n"
#define int long long
#define inf (long long)(1e18)
void Max(int &x,int y){if(x<y)x=y;}
void Min(int &x,int y){if(x>y)x=y;}
const int mod=998244353;
void Add(int &x,int y){x=x+y<mod?x+y:x+y-mod;}
int fpm(int x,int y){
int ans=1;for(;y;y>>=1,(x*=x)%=mod)if(y&1)(ans*=x)%=mod;return ans;
}
int n,m;
vector<int> g[200010];
void add(int u,int v){
g[u].pb(v);
}
int dfn[200010],tim,low[200010],sc,scc[200010],inq[200010];stack<int> st;
void dfs(int u){
dfn[u]=low[u]=++tim;
st.push(u),inq[u]=1;
for(auto v:g[u]){
if(!dfn[v]){
dfs(v);
Min(low[u],low[v]);
}else if(inq[v])Min(low[u],dfn[v]);
}
if(dfn[u]==low[u]){
++sc;
while(st.top()!=u){
scc[st.top()]=sc,inq[st.top()]=0,st.pop();
}
scc[u]=sc,inq[u]=0,st.pop();
}
}
void work(){
cin>>n>>m;
for(int i=1,a,x,b,y;i<=m;i++){
cin>>a>>x>>b>>y;
add(a+(!x)*n,b+y*n),add(b+(!y)*n,a+x*n);
}
for(int i=1;i<=n+n;i++)if(!dfn[i])dfs(i);
for(int i=1;i<=n;i++){
if(scc[i]==scc[i+n])quit(cout<<"No\n");
} cout<<"Yes\n";
for(int i=1;i<=n;i++){
cout<<(scc[i]<scc[i+n]?"1 ":"0 ");
}
}
signed main(){
ios::sync_with_stdio(0),
cin.tie(0),cout.tie(0);
int T=1;while(T--)work();
}
/*
* CONTINUE, NON-STOPPING, FOR THE FAITH
* START TYPING IF YOU DON'T KNOW WHAT TO DO
* STOP TYPING IF YOU DON'T KNOW WHAT YOU'RE DOING
*/
詳細信息
Test #1:
score: 0
Wrong Answer
time: 28ms
memory: 17736kb
input:
86354 86418 14615 0 14903 1 13605 0 4458 0 15604 0 77112 0 52311 1 64996 0 22711 1 74245 1 39042 1 57372 1 2994 1 84183 1 80574 0 58791 1 27780 1 9336 1 61809 0 7216 0 71113 0 42287 1 20073 0 72448 0 73840 0 77048 0 28955 0 4165 0 16322 1 14075 1 43512 0 58600 1 45219 0 53858 0 14919 0 22576 0 16594...
output:
Yes 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
wrong answer Your plan didn't satisfy condition #1.(i = 14615, a = 0, j = 14903, b = 1)