~~您好,您为什么要强调您是萌新。。。~~
by Kisaragi_77 @ 2018-11-01 16:19:54
```
for(int i=1; i<=m; i++) {
if(co[x[i]]!=co[y[i]])
add(x[i],y[i]);
}
```
要改为
```
for(int i=1; i<=m; i++) {
if(co[x[i]]!=co[y[i]])
add(co[x[i]],co[y[i]]);
}
```
by 钱逸凡 @ 2018-11-01 16:26:18
@[钱逸凡](/space/show?uid=28088) 非常感谢
by Floating__Dream @ 2018-11-01 16:26:51
```
for(int i=1; i<=m; i++) {
if(co[x[i]]!=co[y[i]])
add(x[i],y[i]);
}
```
错了
不是加原来的边,是加强连通分量之间的边
```
for(int i=1; i<=m; i++) {
if(co[x[i]]!=co[y[i]])
add(co[x[i]],co[y[i]]);
}
```
by 钱逸凡 @ 2018-11-01 16:27:11
卡了,发了两遍
by 钱逸凡 @ 2018-11-01 16:27:36
我真是个傻逼
by Floating__Dream @ 2018-11-01 16:36:02