题目链接:https://vjudge.net/problem/HDU-1418
欧拉公式的使用
1 #include <cstdio> 2 #include <cstring> 3 #include <cmath> 4 #include <iostream> 5 #include <algorithm> 6 #include <string> 7 #include <cstdlib> 8 9 using namespace std; 10 11 int main() 12 { 13 long long n,m; 14 while(~scanf("%lld %lld",&n,&m)) 15 { 16 if(m==0&&n==0) break; 17 printf("%lld ",n+m-2); 18 } 19 return 0; 20 }