#include <stdio.h>
#define INF 0x7fffffff
struct line {
int X1;
int X2;
int Y;
int Hole;
} Line[5000];
int N, K, Ans;
int divideConquer(int Left, int Right, int H) {
int i, Min=INF, Mid, res1=0, res2=0;
if(Left==Right) {
if(Line[Left].Hole)
return 1;
Ans+=(Line[Left].Y-H)*(Line[Left].X2-Line[Left].X1);
return 0;
}
else {
for(i=Left ; i<=Right ; i++)
if(Min>Line[i].Y) {
Min=Line[i].Y;
Mid=i;
}
if(Left<=Mid-1)
res1=divideConquer(Left ,Mid-1,Min);
if(Mid+1<=Right)
res2=divideConquer(Mid+1,Right,Min);
if(res1 || res2 || Line[Mid].Hole)
return 1;
Ans+=(Min-H)*(Line[Right].X2-Line[Left].X1);
return 0;
}
}
int main(void) {
int i, j, in1, in2, in3, in4, temp;
scanf("%d",&N);
scanf("%d %d",&in1,&in2);
for(i=2 ; i<N ; i+=2) {
scanf("%d %d %d %d",&in1,&in2,&in3,&in4);
Line[i>>1]={in1,in3,in2,0};
}
scanf("%d %d %d",&in1,&in2,&K);
for(i=1 ; i<=K ; i++) {
scanf("%d %d %d %d",&in1,&in2,&in3,&in4);
for(j=1 ; j<(N>>1) ; j++)
if(Line[j].X1==in1 && Line[j].X2==in3 && Line[j].Y==in2) {
Line[j].Hole=1;
break;
}
}
temp=divideConquer(1,(N>>1)-1,0);
printf("%d",Ans);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1164 KB |
Output is correct |
2 |
Correct |
0 ms |
1164 KB |
Output is correct |
3 |
Correct |
0 ms |
1164 KB |
Output is correct |
4 |
Correct |
0 ms |
1164 KB |
Output is correct |
5 |
Correct |
0 ms |
1164 KB |
Output is correct |
6 |
Correct |
0 ms |
1164 KB |
Output is correct |
7 |
Correct |
0 ms |
1164 KB |
Output is correct |
8 |
Correct |
0 ms |
1164 KB |
Output is correct |
9 |
Correct |
0 ms |
1164 KB |
Output is correct |
10 |
Correct |
0 ms |
1164 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1164 KB |
Output is correct |
2 |
Correct |
0 ms |
1164 KB |
Output is correct |
3 |
Correct |
0 ms |
1164 KB |
Output is correct |
4 |
Correct |
0 ms |
1164 KB |
Output is correct |
5 |
Correct |
0 ms |
1164 KB |
Output is correct |
6 |
Correct |
0 ms |
1164 KB |
Output is correct |
7 |
Correct |
0 ms |
1164 KB |
Output is correct |
8 |
Correct |
0 ms |
1164 KB |
Output is correct |
9 |
Correct |
0 ms |
1164 KB |
Output is correct |
10 |
Correct |
0 ms |
1164 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1164 KB |
Output is correct |
2 |
Correct |
0 ms |
1164 KB |
Output is correct |
3 |
Correct |
0 ms |
1164 KB |
Output is correct |
4 |
Correct |
0 ms |
1164 KB |
Output is correct |
5 |
Correct |
0 ms |
1164 KB |
Output is correct |
6 |
Correct |
0 ms |
1164 KB |
Output is correct |
7 |
Correct |
0 ms |
1164 KB |
Output is correct |
8 |
Correct |
0 ms |
1164 KB |
Output is correct |
9 |
Correct |
0 ms |
1164 KB |
Output is correct |
10 |
Correct |
0 ms |
1164 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1164 KB |
Output is correct |
2 |
Correct |
0 ms |
1164 KB |
Output is correct |
3 |
Correct |
4 ms |
1164 KB |
Output is correct |
4 |
Correct |
4 ms |
1164 KB |
Output is correct |
5 |
Correct |
4 ms |
1164 KB |
Output is correct |
6 |
Correct |
4 ms |
1192 KB |
Output is correct |
7 |
Correct |
4 ms |
1164 KB |
Output is correct |
8 |
Correct |
4 ms |
1164 KB |
Output is correct |
9 |
Correct |
0 ms |
1164 KB |
Output is correct |
10 |
Correct |
0 ms |
1164 KB |
Output is correct |