1 #include <iostream>
2 #include <algorithm>
3 #include <
set>
4 using namespace std;
5
6 bool vis[
105][
105]{
false};
7 int main()
8 {
9 ios::sync_with_stdio(
false);
10 cin.tie(
0);
11 int n;
12 cin >>
n;
13 int x1, y1, x2, y2, s =
0;
14 for (
int i =
1; i <= n; i++
) {
15 cin >> x1 >> y1 >> x2 >>
y2;
16 for (
int x = x1; x < x2; x++
) {
17 for (
int y = y1; y < y2; y++
) {
18 if (!
vis[x][y]) {
19 s++
;
20 vis[x][y] =
true;
21 }
22 }
23 }
24 }
25 cout << s <<
endl;
26 return 0;
27 }
转载于:https://www.cnblogs.com/AntonLiu/p/11163726.html
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