```cpp
for(int j=x1[i]; j<=x2[i]; j++) {
for(int k=y1[i]; k<=y2[i]; k++) {
o[j][k]++;
od[j][k]=i;
}
}
```
$x_1$,$y_1$,$x_2$,$y_2$最大能到$2\times10^9$呢...这么加数组超界了
by cqqqwq @ 2018-02-21 13:30:56
@[陈启乾](/space/show?uid=57601) 哦，那怎么办呢？
by si_zhong @ 2018-02-21 14:34:11
完了，帖子沉了。
by si_zhong @ 2018-02-21 14:58:59
其实很好解决
by awdrgyjilp @ 2018-02-23 14:59:03