![A+B problems A+B problems](https://image.shishitao.com:8440/aHR0cHM6Ly9ia3FzaW1nLmlrYWZhbi5jb20vdXBsb2FkL2NoYXRncHQtcy5wbmc%2FIQ%3D%3D.png?!?w=700&webp=1)
这几道习题大概是ACM输入输出格式的普及
P1:
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Input:
The input will consist of a series of pairs of integers a and b, separated by a space, one pair of integers per line.
Output
For each pair of input integers a and b you should output the sum of a and b in one line, and with one line of output for each line in input.
Sample Input
1 5
10 20
Sample Output
6
30
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Code:
int main()
{
int a,b;
while("scanf("%d %d",&a,&b)==2")
printf("%d\n",a+b);
return 0;
} //简单的用while来控制多组数据的输入