来自官方题解：
AC代码：
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/2+m/2); 32 } 33 return 0; 34 }