hdu 5630 Rikka with Chess

 1 #pragma comment(linker, "/STACK:1024000000,1024000000")
 2 #include<iostream>
 3 #include<cstdio>
 4 #include<cstring>
 5 #include<cmath>
 6 #include<math.h>
 7 #include<algorithm>
 8 #include<queue>
 9 #include<set>
10 #include<bitset>
11 #include<map>
12 #include<vector>
13 #include<stdlib.h>
14 #include <stack>
15 using namespace std;
16 #define PI acos(-1.0)
17 #define max(a,b) (a) > (b) ? (a) : (b)
18 #define min(a,b) (a) < (b) ? (a) : (b)
19 #define ll long long
20 #define eps 1e-10
21 #define MOD 1000000007
22 #define N 1000000
23 #define inf 1e12
24 int n,m;
25 int main()
26 {
27    int t;
28    scanf("%d",&t);
29    while(t--){
30       scanf("%d%d",&n,&m);
31       printf("%d\n",n/2+m/2);
32    }
33     return 0;
34 }