Sample Input

1 5

10 20

Sample Output

6

30

#include <stdio.h>

int main()

{

int a,b;

while(scanf("%d %d",&a, &b) !=EOF)

printf("%d\n",a+b);

return 0;

}

Sample Input

2

1 5

10 20

Sample Output

6

30

#include<stdio.h>

int main()

{

int i,n,a,b;

scanf("%d",&n);

for(i=0;i<n;i++)

{

scanf("%d%d",&a,&b);

printf("%d\n",a+b);

}

return 0;

}

Sample Input

1 5

10 20

0 0

Sample Output

6

30

#include <stdio.h>

int main()

{

int a,b;

while(1)

{

scanf("%d %d",&a,&b);

if(a==0&&b==0)

break;

printf("%d\n",a+b);

}

return 0;

}

A+B for Input-Output Practice (IV)

Sample Input

4 1 2 3 4

5 1 2 3 4 5

0

Sample Output

10

15

#include<stdio.h>

int main()

{

int i,ans,n,t;

while(scanf("%d",&n),n!=0)

{

ans=0;

for(i=0;i<n;i++)

{

scanf("%d",&t);

ans+=t;

}

printf("%d\n",ans);

}

return 0;

}

Sample Input

2

4 1 2 3 4

5 1 2 3 4 5

Sample Output

10

15

#include<stdio.h>

int main()

{

int j,i,a,b,t,ans;

scanf("%d",&b);

for(j=0;j<b;j++)

{

scanf("%d",&a);

ans=0;

for(i=0;i<a;i++)

{

scanf("%d",&t);

ans+=t;

}

printf("%d\n",ans);

}

return 0;

}

A+B for Input-Output Practice (VI)

Sample Input

4 1 2 3 4

5 1 2 3 4 5

Sample Output

10

15

#include <stdio.h>

int n,sum,t;

int main()

{

while(scanf("%d",&n)!=EOF && n)

{

sum=0;

while(n--)

{

scanf("%d",&t);

sum+=t;

}

printf("%d\n",sum);

}

return 0;

}

Sample Input

1 5

10 20

Sample Output

6

30

#include <stdio.h>

int a,b;

int main()

{

while(scanf("%d%d",&a,&b)!=EOF)

{

printf("%d\n\n",a+b);

}

return 0;

}

A+B for Input-Output Practice (VIII)

Sample Input

3

4 1 2 3 4

5 1 2 3 4 5

3 1 2 3

Sample Output

10

15

6

#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);

if(c)printf("\n");

}

}

return 0;

}

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