1 package ccf_test2014_09;
 2
 3 import java.util.Scanner;
 4
 5 public class Draw {
 6
 7     private static int N;
 8
 9     public static void main(String[] args) {
10
11         boolean[][] flag = new boolean[101][101];
12
13         Scanner input = new Scanner(System.in);
14
15         N = input.nextInt();
16
17         input.nextLine();
18
19         int x1, y1, x2, y2;
20
21         for (int i = 0; i < N; i++) {
22
23             x1 = input.nextInt();
24
25             y1 = input.nextInt();
26
27             x2 = input.nextInt();
28
29             y2 = input.nextInt();
30
31
32             for (int p = x1; p < x2; p++) {
33
34                 for (int q = y1; q < y2; q++) {
35
36                     flag[p][q] = true;
37                 }
38             }
39             input.nextLine();
40
41         }
42         int ans = 0;
43
44         for (int i = 0; i <= 100; i++){
45
46             for (int k = 0; k <= 100; k++) {
47
48
49                 if (flag[i][k]){
50
51                     ans++;
52                 }
53             }
54         }
55
56         System.out.println(ans);
57
58     }
59 }

 1 #include<bits/stdc++.h>
 2 using namespace std;
 3 bool flag[107][107];
 4 int n;
 5 int x1,yy1,x2,y2;
 6 void slove()
 7 {
 8     for(int i=x1;i<x2;i++)
 9         for(int j=yy1;j<y2;j++)
10          flag[i][j]=1;
11 }
12 int main()
13 {
14  //     freopen("in.txt","r",stdin);
15     while(~scanf("%d",&n)){
16           memset(flag,0,sizeof(flag));
17        for(int i=0;i<n;i++)
18                 {
19                     scanf("%d%d%d%d",&x1,&yy1,&x2,&y2);
20                      slove();
21                 }
22             int ans=0;
23         for(int i=0;i<=100;i++)
24             for(int j=0;j<=100;j++)
25         {
26             if(flag[i][j]) ans++;
27         }
28         cout<<ans<<endl;
29     }
30     return 0;
31 }