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TLE~~~~~~~~~~~~How to do it?#include<stdio.h> #include<stdlib.h> #include<memory.h> int a[1001][4],x[2002],y[2002]; inline int cmp(const void *a,const void *b) { return *(int*)a-*(int*)b; } int main() { //freopen("test.txt","r",stdin); //freopen("out.txt","w",stdout); int i,j,k,x1,y1,x2,y2,n,m,s; while(scanf("%d %d %d %d",&x1,&y1,&x2,&y2),x1!=-1&&x2!=-1&&y1!=-1&&y2!=-1) { n=0;s=0; a[n][0]=x[n*2]=x1;a[n][1]=y[n*2]=y1;a[n][2]=x[n*2+1]=x2;a[n][3]=y[n*2+1]=y2; n++; while(scanf("%d %d %d %d",&x1,&y1,&x2,&y2),x1!=-1&&x2!=-1&&y1!=-1&&y2!=-1) { a[n][0]=x[n*2]=x1;a[n][1]=y[n*2]=y1;a[n][2]=x[n*2+1]=x2;a[n][3]=y[n*2+1]=y2; n++; } qsort(x,2*n,sizeof(x[0]),cmp);qsort(y,2*n,sizeof(y[0]),cmp); //for(i=0;i<2*n;i++)printf("%d ",x[i]);printf("\n"); //for(i=0;i<2*n;i++)printf("%d ",y[i]);printf("\n"); for(i=1;i<2*n;i++) if(x[i]>x[i-1]) for(j=1;j<2*n;j++) if(y[j]>y[j-1]) { m=0; for(k=0;k<n;k++) if(x[i-1]>=a[k][0]&&x[i]<=a[k][2]&&y[j-1]>=a[k][1]&&y[j]<=a[k][3]) {m=1;break;} if(m)s+=(x[i]-x[i-1])*(y[j]-y[j-1]); } printf("%d\n",s); } return 0; } Followed by:
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