Submission #1005414

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1005414	2024-06-22T12:17:20 Z	vjudge1	Party (POI11_imp)	C++17	18 / 100	3000 ms	1872 KB

#include <bits/stdc++.h>

#define suiii ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
#define co cout<<
//#pragma GCC optimize("O3,Ofast,unroll-loops")
//#pragma GCC target("avx2,sse3,sse4,avx")
using namespace std;
//stuff
int n,m;
vector<int>v[3005];
bitset<3005>curr,mat[3005],vis;
int cnt=0;
void rec(int x){
    if(cnt==n/3){
        for(int i=0;i<3005;i++){
            if(curr[i]==1) co i<<' ';
        }
        exit(0);
    }
    if(x==n) return;
    if(n-x+cnt<n/3) return ;
    if((curr&mat[x])==curr){
        curr[x]=1;
        cnt++;
        rec(x+1);
        cnt--;
        curr[x]=0;
    }
    rec(x+1);
    return;
}
void rec1(ll x){
    if(x==n/3){
        for(int i=0;i<3005;i++){
            if(curr[i]==1) co i<<' ';
        }
        exit(0);
    }
    ll num=rand()%n+1;
    while(vis[num]||(curr&mat[num])!=curr) num=rand()%n+1;
    vis[num]=1;
    curr[num]=1;
    rec1(x+1);
    curr[num]=0;
    vis[num]=0;
}
void solve(){
    cin>>n>>m;
    for(int i=0;i<m;i++){
        ll a,b;
        cin>>a>>b;
        mat[a][b]=1;
        mat[b][a]=1;
    }
    if(n<=50) rec(0);
    else while(1) rec1(0);
}
int main()
{
    suiii
    int t=1;
    // cin>>t;
    while(t--){
        solve();
    }
    return 0;
}

Subtask #1
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct

Subtask #2
0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	3059 ms	604 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #3
0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	604 KB	Output is correct
2	Correct	31 ms	892 KB	Output is correct
3	Correct	31 ms	856 KB	Output is correct
4	Execution timed out	3079 ms	860 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #4
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	600 KB	Output is correct
2	Correct	76 ms	1108 KB	Output is correct
3	Correct	73 ms	1104 KB	Output is correct
4	Correct	73 ms	1104 KB	Output is correct
5	Correct	75 ms	1060 KB	Output is correct

Subtask #5
0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	43 ms	856 KB	Output is correct
2	Execution timed out	3052 ms	1188 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

Subtask #6
0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	73 ms	1080 KB	Output is correct
2	Correct	157 ms	1496 KB	Output is correct
3	Execution timed out	3019 ms	1112 KB	Time limit exceeded
4	Halted	0 ms	0 KB	-

Subtask #7
0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	133 ms	1516 KB	Output is correct
2	Execution timed out	3061 ms	1368 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

Subtask #8
0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	168 ms	1624 KB	Output is correct
2	Correct	219 ms	1620 KB	Output is correct
3	Correct	198 ms	1620 KB	Output is correct
4	Execution timed out	3066 ms	1444 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #9
0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	188 ms	1684 KB	Output is correct
2	Execution timed out	3019 ms	1760 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

Subtask #10
0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	214 ms	1872 KB	Output is correct
2	Execution timed out	3072 ms	1848 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

Subtask #11
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	331 ms	1872 KB	Output is correct
2	Execution timed out	3089 ms	1624 KB	Time limit exceeded
3	Halted	0 ms	0 KB	-

Submission #1005414

Compilation message