| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 2694 |
2013-07-30T15:28:01 Z |
ainta |
간선 파괴 (GA5_destroy) |
C++ |
|
1944 ms |
2060 KB |
#include<stdio.h>
int n,m,b[700],e[700],Q,p[700],c;
struct Edge{
int a,b;
}E[123457];
void init(){
int i;
for(i=1;i<=n;i++)p[i]=i;
}
int find(int a){
if(a==p[a])return a;
return p[a]=find(p[a]);
}
int main(){
int i,j,x,y,R,bb,ee;
scanf("%d%d",&n,&m);
init();
for(i=0;i<m;i++){
scanf("%d%d",&E[i].a,&E[i].b);
x=find(E[i].a),y=find(E[i].b);
if(x!=y){
p[x]=y;
b[c++]=i;
}
}
init();
c=0;
for(i=m-1;i>=0;i--){
x=find(E[i].a),y=find(E[i].b);
if(x!=y){
p[x]=y;
e[c++]=i;
}
}
scanf("%d",&Q);
while(Q--){
scanf("%d%d",&bb,&ee);
bb--,ee--;
init();
R=n;
for(i=0;i<c;i++){
if(b[i]>=bb)break;
x=find(E[b[i]].a),y=find(E[b[i]].b);
p[x]=y;
R--;
}
for(i=0;i<c;i++){
if(e[i]<=ee)break;
x=find(E[e[i]].a),y=find(E[e[i]].b);
if(x!=y)p[x]=y,R--;
}
printf("%d\n",R);
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 9 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 13 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 19 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 20 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 21 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 22 |
Correct |
0 ms |
2060 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
44 ms |
2060 KB |
Output is correct |
| 2 |
Correct |
44 ms |
2060 KB |
Output is correct |
| 3 |
Correct |
44 ms |
2060 KB |
Output is correct |
| 4 |
Correct |
56 ms |
2060 KB |
Output is correct |
| 5 |
Correct |
52 ms |
2060 KB |
Output is correct |
| 6 |
Correct |
448 ms |
2060 KB |
Output is correct |
| 7 |
Correct |
484 ms |
2060 KB |
Output is correct |
| 8 |
Correct |
440 ms |
2060 KB |
Output is correct |
| 9 |
Correct |
44 ms |
2060 KB |
Output is correct |
| 10 |
Correct |
40 ms |
2060 KB |
Output is correct |
| 11 |
Correct |
40 ms |
2060 KB |
Output is correct |
| 12 |
Correct |
60 ms |
2060 KB |
Output is correct |
| 13 |
Correct |
56 ms |
2060 KB |
Output is correct |
| 14 |
Correct |
52 ms |
2060 KB |
Output is correct |
| 15 |
Correct |
36 ms |
2060 KB |
Output is correct |
| 16 |
Correct |
40 ms |
2060 KB |
Output is correct |
| 17 |
Correct |
12 ms |
2060 KB |
Output is correct |
| 18 |
Correct |
8 ms |
2060 KB |
Output is correct |
| 19 |
Correct |
4 ms |
2060 KB |
Output is correct |
| 20 |
Correct |
4 ms |
2060 KB |
Output is correct |
| 21 |
Correct |
0 ms |
2060 KB |
Output is correct |
| 22 |
Correct |
0 ms |
2060 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1908 ms |
2060 KB |
Output is correct |
| 2 |
Correct |
1824 ms |
2060 KB |
Output is correct |
| 3 |
Correct |
1828 ms |
2060 KB |
Output is correct |
| 4 |
Correct |
1864 ms |
2060 KB |
Output is correct |
| 5 |
Correct |
1924 ms |
2060 KB |
Output is correct |
| 6 |
Correct |
1808 ms |
2060 KB |
Output is correct |
| 7 |
Correct |
1720 ms |
2060 KB |
Output is correct |
| 8 |
Correct |
1944 ms |
2060 KB |
Output is correct |
| 9 |
Correct |
1704 ms |
2060 KB |
Output is correct |
| 10 |
Correct |
1676 ms |
2060 KB |
Output is correct |
| 11 |
Correct |
1772 ms |
2060 KB |
Output is correct |
| 12 |
Correct |
1832 ms |
2060 KB |
Output is correct |
| 13 |
Correct |
1776 ms |
2060 KB |
Output is correct |
| 14 |
Correct |
1752 ms |
2060 KB |
Output is correct |
| 15 |
Correct |
1400 ms |
2060 KB |
Output is correct |
| 16 |
Correct |
1256 ms |
2060 KB |
Output is correct |
| 17 |
Correct |
516 ms |
2060 KB |
Output is correct |
| 18 |
Correct |
472 ms |
2060 KB |
Output is correct |
| 19 |
Correct |
116 ms |
2060 KB |
Output is correct |
| 20 |
Correct |
160 ms |
2060 KB |
Output is correct |
| 21 |
Correct |
32 ms |
2060 KB |
Output is correct |
| 22 |
Correct |
40 ms |
2060 KB |
Output is correct |
