Your task is to calculate the sum of some integers.
Input contains an integer N in the first line, and then N lines follow. Each line starts with a integer M, and then M integers follow in the same line.
For each group of input integers you should output their sum in one line, and you must note that there is a blank line between outputs.
3 4 1 2 3 4 5 1 2 3 4 5 3 1 2 3
JGShining | We have carefully selected several similar problems for you:
1095 1091 1094 1090 1092 题目解析： 本道题主要考察对输出格式的设置，要求每行数据都要相隔一行，假设一共有n行要输出，则从第0个数到第n-2个数，在这一行输出后光标要回车一行，再回车一行，这样在输出的时候，两行数据就会相隔一行，而在输出最后一个数据的时候，光标要回车一行，（既不能不会车，也不能回车两行），在codeblocks中，控制台会有时间数据统计报告，一般在最后光标的下一行开始显示。所以在本题的效果就是最后一行数据然后一个空白行，再就是统计报告。这样才不会出现Presentation Error。
#include<stdio.h>
#include<malloc.h>
int main()
{
int n=0;
scanf("%d",&n);
for(int i=0;i<n;i++)
{
int s=0;
int num=0;
scanf("%d",&num);
int *a=(int*)malloc(sizeof(int)*num);
for(int j=0;j<num;j++)
{
scanf("%d",&a[j]);
s+=a[j];
}
free(a);
if(i==n-1)
printf("%d\n",s);
else
printf("%d\n\n",s);
}
}
