oj.uz

답안 #745179

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
745179 2023-05-19T14:11:50 Z Ahmed57 Kutije (COCI21_kutije) C++17
70 / 70
 967 ms 9608 KB 
//LCA
#include <bits/stdc++.h>

using namespace std;
//DSU
int pr[1001];
int gs[1001];

int findleader(int x){
    if(pr[x]==x){
        return x;
    }
    return pr[x] = findleader(pr[x]);
}
bool samegroup(int x,int y){
    int led1 = findleader(x);
    int led2 = findleader(y);
    return led1==led2;
}
void mergegroup(int x,int y){
    int led1 = findleader(x);
    int led2 = findleader(y);
    if(led1==led2)return;
    if(gs[led1]>gs[led2]){
        pr[led2]=led1;
        gs[led1]+=gs[led2];
    }else{
        pr[led1]=led2;
        gs[led2]+=gs[led1];
    }
}
int get(int x){
    int led = findleader(x);
    return gs[led];
}
int main(){
    int n,m,q;
    cin>>n>>m>>q;
    for(int i = 0;i<=n;i++)pr[i] = i , gs[i] = 1;
    for(int i = 0;i<m;i++){
        for(int j = 1;j<=n;j++){
            int x;cin>>x;
            mergegroup(x,j);
        }
    }
    while(q--){
        int a,b;cin>>a>>b;
        if(samegroup(a,b))cout<<"DA\n";
        else cout<<"NE\n";
    }
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 771 ms 5576 KB Output is correct
2 Correct 669 ms 4852 KB Output is correct
3 Correct 640 ms 4556 KB Output is correct
4 Correct 755 ms 5572 KB Output is correct
5 Correct 780 ms 5596 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 2 ms 324 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 3 ms 336 KB Output is correct
9 Correct 2 ms 316 KB Output is correct
10 Correct 2 ms 212 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 212 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 2 ms 324 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 3 ms 336 KB Output is correct
9 Correct 2 ms 316 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 3 ms 312 KB Output is correct
13 Correct 2 ms 320 KB Output is correct
14 Correct 2 ms 212 KB Output is correct
15 Correct 2 ms 212 KB Output is correct
16 Correct 2 ms 316 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 3 ms 340 KB Output is correct
19 Correct 3 ms 340 KB Output is correct
20 Correct 2 ms 340 KB Output is correct

Subtask #4
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 771 ms 5576 KB Output is correct
2 Correct 669 ms 4852 KB Output is correct
3 Correct 640 ms 4556 KB Output is correct
4 Correct 755 ms 5572 KB Output is correct
5 Correct 780 ms 5596 KB Output is correct
6 Correct 3 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 2 ms 212 KB Output is correct
10 Correct 2 ms 324 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 3 ms 336 KB Output is correct
14 Correct 2 ms 316 KB Output is correct
15 Correct 2 ms 212 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 3 ms 312 KB Output is correct
18 Correct 2 ms 320 KB Output is correct
19 Correct 2 ms 212 KB Output is correct
20 Correct 2 ms 212 KB Output is correct
21 Correct 2 ms 316 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 3 ms 340 KB Output is correct
24 Correct 3 ms 340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 951 ms 9368 KB Output is correct
27 Correct 945 ms 9432 KB Output is correct
28 Correct 786 ms 7796 KB Output is correct
29 Correct 920 ms 9080 KB Output is correct
30 Correct 809 ms 8144 KB Output is correct
31 Correct 806 ms 8084 KB Output is correct
32 Correct 967 ms 9548 KB Output is correct
33 Correct 954 ms 9340 KB Output is correct
34 Correct 947 ms 9608 KB Output is correct
35 Correct 950 ms 9480 KB Output is correct