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Submission #7761

# Submission time Handle Problem Language Result Execution time Memory
7761 2014-08-18T11:07:16 Z studenttest 간선 파괴 (GA5_destroy) C++
25 / 100
 2500 ms 2672 KB 
#include<stdio.h>
#include<vector>
using namespace std;
 
//for 60point code;
 
struct line{
    line(){}
    line(int en,int c):en(en),c(c){}
    int en,c;
};
vector <line> edge[550];
int V,E,r,l,q,wr,re,Q[550];
int check[550];
 
void BFS(int x)
{
    Q[0]=x;wr=1;re=0;check[x]=q+1;
    while(wr!=re){
        int i,sz=edge[Q[re]].size();
        for(i=0;i<sz;i++){
            line tx=edge[Q[re]][i];
            if(check[tx.en]==q+1 || (tx.c>=l&&tx.c<=r))continue;
            Q[wr++]=tx.en;
            check[tx.en]=q+1;
        }
        re++;
    }
}
 
void solve()
{
    int i,ret=0;
    for(i=1;i<=V;i++){
        if(check[i]!=q+1){ret++;BFS(i);}
    }
    printf("%d\n",ret);
}
 
int main()
{
    scanf("%d%d",&V,&E);
    int i;
    for(i=1;i<=E;i++){
        int x,y;
        scanf("%d%d",&x,&y);
        edge[x].push_back(line(y,i));
        edge[y].push_back(line(x,i));
    }
    scanf("%d",&q);
    while(q--){
        scanf("%d%d",&l,&r);
        solve();
    }
    return 0;
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1224 KB Output is correct
2 Correct 0 ms 1224 KB Output is correct
3 Correct 0 ms 1224 KB Output is correct
4 Correct 0 ms 1224 KB Output is correct
5 Correct 0 ms 1224 KB Output is correct
6 Correct 0 ms 1224 KB Output is correct
7 Correct 0 ms 1224 KB Output is correct
8 Correct 0 ms 1224 KB Output is correct
9 Correct 0 ms 1224 KB Output is correct
10 Correct 0 ms 1224 KB Output is correct
11 Correct 0 ms 1224 KB Output is correct
12 Correct 0 ms 1224 KB Output is correct
13 Correct 0 ms 1224 KB Output is correct
14 Correct 0 ms 1224 KB Output is correct
15 Correct 0 ms 1224 KB Output is correct
16 Correct 0 ms 1224 KB Output is correct
17 Correct 0 ms 1224 KB Output is correct
18 Correct 0 ms 1224 KB Output is correct
19 Correct 0 ms 1224 KB Output is correct
20 Correct 0 ms 1224 KB Output is correct
21 Correct 0 ms 1224 KB Output is correct
22 Correct 0 ms 1224 KB Output is correct

Subtask #2
0.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 164 ms 1488 KB Output is correct
2 Correct 160 ms 1488 KB Output is correct
3 Correct 176 ms 1620 KB Output is correct
4 Correct 428 ms 2280 KB Output is correct
5 Correct 428 ms 2148 KB Output is correct
6 Execution timed out 2500 ms 2280 KB Program timed out
7 Halted 0 ms 0 KB -

Subtask #3
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Runtime error 8 ms 2672 KB SIGSEGV Segmentation fault
2 Halted 0 ms 0 KB -