My:

#include

VI;typedef pair

PII;typedef vector

> VPII;const int INF=0x3f3f3f3f;const LL INFL=0x3f3f3f3f3f3f3f3fLL;const double eps=1e-8;const double PI = acos(-1.0);//start----------------------------------------------------------------------int main() { int tc,kase=0; scanf("%d",&tc); while(tc--){ } return 0;}//end-----------------------------------------------------------------------