hello world
我的第一篇博客
$\sum_{i=1}^{n}{a_i}$
来个代码看看
1 #include <stdio.h> 2 3 int main() 4 { 5 int a,b; 6 while(scanf("%d%d",&a,&b)) printf("%d\n",a+b); 7 return 0; 8 }
#include <stdio.h> int main() { int a,b; while(scanf("%d%d",&a,&b)) printf("%d\n",a+b); return 0; }
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
1 #include <stdio.h> 2 3 int main() 4 { 5 int a,b; 6 while(scanf("%d%d",&a,&b)) printf("%d\n",a+b); 7 return 0; 8 }
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
1 #include <stdio.h> 2 3 int main() 4 { 5 int a,b; 6 while(scanf("%d%d",&a,&b)) printf("%d\n",a+b); 7 return 0; 8 }