oj.uz

Submission #724955

# Submission time Handle Problem Language Result Execution time Memory
724955 2023-04-16T11:40:30 Z josanneo22 Inside information (BOI21_servers) C++17
2.5 / 100
 3500 ms 377080 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
inline int rd(){
	int x=0,w=1;
	char ch=getchar();
	for(;ch>'9'||ch<'0';ch=getchar()) if(ch=='-') w=-1;
	for(;ch>='0'&&ch<='9';ch=getchar()) x=x*10+ch-'0';
	return x*w;
}
int maxn=5000;
vector<set<int>> st(maxn);
void solve(){
	int n,q; cin>>n>>q;
	for(int i=1;i<=n;i++){
		st[i].insert(i);
	}
	for(int i=0;i<n+q-1;i++){
		char x; cin>>x;
		if(x=='C'){
			int v; cin>>v;
			int cnt=0;
			for(int j=1;j<=n;j++){
				if(st[j].find(v)!=st[j].end()) cnt++;
			}
			cout<<cnt<<'\n';
		}
		else if(x=='Q'){
			int u,v; cin>>u>>v;
			auto pos=st[u].find(v);
			if(pos==st[u].end()) cout<<"no\n";
			else cout<<"yes\n";
		}
		else{
			int u,v; cin>>u>>v;
			for(auto&p:st[u]) st[v].insert(p);
			for(auto&p:st[v]) st[u].insert(p);
		}
	}
}
signed main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	int tt=1; //cin>>tt;
	while(tt--){
		solve();
	}
}

Subtask #1
2.5 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 20 ms 852 KB Output is correct
2 Correct 30 ms 2172 KB Output is correct
3 Correct 233 ms 47704 KB Output is correct
4 Correct 28 ms 1868 KB Output is correct
5 Correct 27 ms 1712 KB Output is correct
6 Correct 1811 ms 377012 KB Output is correct

Subtask #2
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 20 ms 852 KB Output is correct
2 Correct 30 ms 2172 KB Output is correct
3 Correct 233 ms 47704 KB Output is correct
4 Correct 28 ms 1868 KB Output is correct
5 Correct 27 ms 1712 KB Output is correct
6 Correct 1811 ms 377012 KB Output is correct
7 Correct 23 ms 928 KB Output is correct
8 Correct 3077 ms 2092 KB Output is correct
9 Execution timed out 3562 ms 20900 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #3
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 20 ms 960 KB Output is correct
2 Runtime error 1 ms 1364 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 20 ms 960 KB Output is correct
2 Runtime error 1 ms 1364 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 896 KB Output is correct
2 Runtime error 2 ms 1364 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 896 KB Output is correct
2 Runtime error 2 ms 1364 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 928 KB Output is correct
2 Runtime error 2 ms 1364 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 928 KB Output is correct
2 Runtime error 2 ms 1364 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #9
0 / 12.5

# Verdict Execution time Memory Grader output
1 Correct 19 ms 916 KB Output is correct
2 Runtime error 3 ms 1364 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #10
0 / 12.5

# Verdict Execution time Memory Grader output
1 Correct 19 ms 916 KB Output is correct
2 Runtime error 3 ms 1364 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #11
0 / 17.5

# Verdict Execution time Memory Grader output
1 Correct 18 ms 852 KB Output is correct
2 Correct 30 ms 2228 KB Output is correct
3 Correct 252 ms 47848 KB Output is correct
4 Correct 28 ms 1904 KB Output is correct
5 Correct 28 ms 1732 KB Output is correct
6 Correct 1777 ms 377080 KB Output is correct
7 Correct 19 ms 980 KB Output is correct
8 Runtime error 1 ms 1364 KB Execution killed with signal 11
9 Halted 0 ms 0 KB -

Subtask #12
0 / 17.5

# Verdict Execution time Memory Grader output
1 Correct 18 ms 852 KB Output is correct
2 Correct 30 ms 2228 KB Output is correct
3 Correct 252 ms 47848 KB Output is correct
4 Correct 28 ms 1904 KB Output is correct
5 Correct 28 ms 1732 KB Output is correct
6 Correct 1777 ms 377080 KB Output is correct
7 Correct 19 ms 980 KB Output is correct
8 Runtime error 1 ms 1364 KB Execution killed with signal 11
9 Halted 0 ms 0 KB -