A+B for Input-Output Practice (II)

A+B for Input-Output Practice (II)

Problem Description

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Your task is to Calculate a + b.

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Input
Your task is to Calculate a + b.

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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.
Example Input

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21 510 20

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Example Output

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630

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代码：

#include <stdio.h>#include <stdlib.h>int main(){    int a, b, sum, i, n;    scanf("%d", &n);    for(i = 1; i <= n; i++)    {        scanf("%d%d", &a, &b);        sum = a + b;        printf("%d\n", sum);    }    return 0;}