제출 #4833

#제출 시각아이디문제언어결과실행 시간메모리
4833gs13068수족관 1 (KOI13_aqua1)C++98
100 / 100
4 ms1148 KiB
#include<cstdio> int x[2500]; int y[2500]; int t[2500]; int m; int res; bool backtracking(int l,int r,int d) { if(l<r) { bool flag=false; int i,j=l; for(i=l;i<r;i++)if(y[i]<y[j])j=i; if(backtracking(l,j,y[j]))flag=true; if(backtracking(j+1,r,y[j]))flag=true; if(flag)return true; for(i=0;i<m;i++)if(t[i]==x[j])return true; res+=(x[r]-x[l])*(y[j]-d); } return false; } int main() { int i,n; scanf("%d",&n); for(i=0;i<n;i++)scanf("%d%d",&x[i/2],&y[i/2]); scanf("%d",&m); for(i=0;i<m;i++)scanf("%d%*d%*d%*d",&t[i]); backtracking(0,n/2,0); printf("%d",res); }
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