oj.uz

답안 #902609

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
902609 2024-01-10T20:22:48 Z simona1230 Inside information (BOI21_servers) C++17
5 / 100
 1817 ms 64800 KB 
#include <bits/stdc++.h>

using namespace std;

int n,k;
int in[4001][4001];

void slow()
{
    for(int i=1;i<=n;i++)
        in[i][i]=1;
    for(int i=1;i<=n+k-1;i++)
    {
        char c;
        cin>>c;
        int x,y;
        if(c=='S')
        {
            cin>>x>>y;
            for(int j=1;j<=n;j++)
            {
                in[x][j]=in[y][j]=max(in[x][j],in[y][j]);
            }
        }
        if(c=='C')
        {
            cin>>x;
            int cnt=0;
            for(int j=1;j<=n;j++)
                cnt+=in[j][x];
            cout<<cnt<<endl;
        }
        if(c=='Q')
        {
            cin>>x>>y;
            if(in[x][y])cout<<"yes"<<endl;
            else cout<<"no"<<endl;
        }
    }
}


int t[120001];
void subt2()
{
    t[1]=1;
    int sec=1;
    for(int i=1;i<=n+k-1;i++)
    {
        char c;
        cin>>c;

        if(c=='S')
        {
            int x,y;
            cin>>x>>y;

            t[max(x,y)]=sec++;
        }

        if(c=='Q')
        {
            int x,y;
            cin>>x>>y;

            if(t[y]&&t[y]<t[x])cout<<"yes"<<endl;
            else cout<<"no"<<endl;
        }

        if(c=='C')
        {
            int x;
            cin>>x;

            cout<<sec-t[x]+1<<endl;
        }
    }
}

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);

	cin>>n>>k;
	if(n<=4000)slow();
    else subt2();

	return 0;
}

Subtask #1
2.5 / 2.5

# 결과 실행 시간 메모리 Grader output
1 Correct 160 ms 3596 KB Output is correct
2 Correct 184 ms 64608 KB Output is correct
3 Correct 215 ms 64604 KB Output is correct
4 Correct 184 ms 64652 KB Output is correct
5 Correct 190 ms 64608 KB Output is correct
6 Correct 243 ms 64680 KB Output is correct

Subtask #2
2.5 / 2.5

# 결과 실행 시간 메모리 Grader output
1 Correct 160 ms 3596 KB Output is correct
2 Correct 184 ms 64608 KB Output is correct
3 Correct 215 ms 64604 KB Output is correct
4 Correct 184 ms 64652 KB Output is correct
5 Correct 190 ms 64608 KB Output is correct
6 Correct 243 ms 64680 KB Output is correct
7 Correct 217 ms 3576 KB Output is correct
8 Correct 1690 ms 64436 KB Output is correct
9 Correct 460 ms 64568 KB Output is correct
10 Correct 1609 ms 64288 KB Output is correct
11 Correct 1817 ms 64440 KB Output is correct
12 Correct 375 ms 64720 KB Output is correct

Subtask #3
0 / 2.5

# 결과 실행 시간 메모리 Grader output
1 Correct 144 ms 3536 KB Output is correct
2 Incorrect 167 ms 4648 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 2.5

# 결과 실행 시간 메모리 Grader output
1 Correct 144 ms 3536 KB Output is correct
2 Incorrect 167 ms 4648 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 144 ms 3604 KB Output is correct
2 Incorrect 176 ms 4816 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 144 ms 3604 KB Output is correct
2 Incorrect 176 ms 4816 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 150 ms 3508 KB Output is correct
2 Incorrect 190 ms 4752 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 150 ms 3508 KB Output is correct
2 Incorrect 190 ms 4752 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #9
0 / 12.5

# 결과 실행 시간 메모리 Grader output
1 Correct 150 ms 3468 KB Output is correct
2 Incorrect 202 ms 4688 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #10
0 / 12.5

# 결과 실행 시간 메모리 Grader output
1 Correct 150 ms 3468 KB Output is correct
2 Incorrect 202 ms 4688 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #11
0 / 17.5

# 결과 실행 시간 메모리 Grader output
1 Correct 149 ms 3548 KB Output is correct
2 Correct 183 ms 64668 KB Output is correct
3 Correct 194 ms 64800 KB Output is correct
4 Correct 193 ms 64744 KB Output is correct
5 Correct 181 ms 64596 KB Output is correct
6 Correct 177 ms 64688 KB Output is correct
7 Correct 147 ms 3584 KB Output is correct
8 Incorrect 162 ms 4688 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #12
0 / 17.5

# 결과 실행 시간 메모리 Grader output
1 Correct 149 ms 3548 KB Output is correct
2 Correct 183 ms 64668 KB Output is correct
3 Correct 194 ms 64800 KB Output is correct
4 Correct 193 ms 64744 KB Output is correct
5 Correct 181 ms 64596 KB Output is correct
6 Correct 177 ms 64688 KB Output is correct
7 Correct 147 ms 3584 KB Output is correct
8 Incorrect 162 ms 4688 KB Output isn't correct
9 Halted 0 ms 0 KB -