Sample input: 2 4 1 2 3 4 5 1 2 3 4 5 Sample output: 10 15 // C语言AC代码 #include <stdio.h> int n,c,t,sum; int main() { while( scanf("%d",&c)!=EOF ) { while(c--) { scanf("%d",&n); sum=0; while(n--) { scanf("%d",&t); sum+=t; } printf("%d\n",sum); } } return 0; } // C++语言AC代码 #include <iostream> using namespace std; int n,c,t,sum; int main() { while( cin>>c) { while(c--) { cin>>n; sum=0; while(n--) { cin>>t; sum+=t; } cout<<sum<<endl; } } return 0; } ******************************************************************************************************************************************** Sample input: 4 1 2 3 4 5 1 2 3 4 5 0 Sample output: 10 15 // C语言AC代码 #include<stdio.h> int main() { int i,n,a[100],m=0; while( scanf("%d",&n)!=EOF && (n!=0) ) { for(i=0;i<n;i++) { scanf("%d",&a[i]); m+=a[i]; } printf("%d\n",m); m=0; } return 1; } / C++语言AC代码 #include <iostream> using namespace std; int n,sum,t; int main() { while( cin>>n && n) { sum=0; while(n--) { cin>>t; sum+=t; } cout<<sum<<endl; } return 0; } *************************************************************************************************** Sample input: 4 1 2 3 4 5 1 2 3 4 5 Sample output: 10 15 / C++语言AC代码 #include <iostream> using namespace std; int n,sum,t; int main() { while( cin>>n && n ) { sum=0; while(n--) { cin>>t; sum+=t; } cout<<sum<<endl; } return 0; }
整型数据 字符串流
#include <iostream> #include <string> #include <sstream> using namespace std; int main( ) { string s; int x; int sum; while (getline(cin, s)) { stringstream ss(s); sum=0; while (ss>>x) sum=sum+x; cout<<sum<<endl; } return 0; }
#include <iostream>
#include <string>
#include <sstream>
using namespace std;
int main( )
{
string s;
int x;
int sum;
while (getline(cin, s))
{
stringstream ss(s);
sum=0;
while (ss>>x) sum=sum+x;
cout<<sum<<endl;
}
return 0;
}
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原文:http://www.cnblogs.com/2014acm/p/3885755.html