本文通过各种类型的A+B题目来帮助大家快速了解ACM题目中常见的输入输出格式，帮助大家快速上手
A+B for Input-Output Practice (I)
时间限制: 1s 内存限制: 64MB
题目描述
Your task is to Calculate a + b. Too easy?! Of course! I specially designed the problem for acm beginners. You must have found that some problems have the same titles with this one, yes, all these problems were designed for the same aim
输入格式
The input will consist of a series of pairs of integers a and b, separated by a space, one pair of integers per line.
输出格式
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.
样例输入
1 5
10 20
样例输出
6
30
AC代码（C语言）文章来源地址https://www.toymoban.com/news/detail-734271.html
#include<stdio.h>
int main(){
//freopen("data.in.txt","r",stdin);
int a,b;
while(~scanf("%d%d",&a,&b)){
printf("%d\n",a+b);
}
return 0;
}
A+B for Input-Output Practice (II)
时间限制: 1s 内存限制: 64MB
题目描述
The first line integer means the number of input integer a and b. Your task is to Calculate a + b.
输入格式
Your task is to Calculate a + b. The first line integer means the numbers of pairs of input integers.
输出格式
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.
样例输入
2
1 5
10 20
样例输出
6
30
AC代码（C语言）
#include<stdio.h>
int main(){
// freopen("data.in.txt","r",stdin);
int a,b,n;
scanf("%d",&n);
while(n--){
scanf("%d%d",&a,&b);
printf("%d\n",a+b);
}
return 0;
}
A+B for Input-Output Practice (III)
时间限制: 1s 内存限制: 64MB
题目描述
Your task is to Calculate a + b.
输入格式
Input contains multiple test cases. Each test case contains a pair of integers a and b, one pair of integers per line. A test case containing 0 0 terminates the input and this test case is not to be processed.
输出格式
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.
样例输入
1 5
10 20
0 0
样例输出
6
30
AC代码（C语言）
#include<stdio.h>
int main(){
// freopen("data.in.txt","r",stdin);
int a,b;
while(~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)
时间限制: 1s 内存限制: 64MB
题目描述
Your task is to Calculate the sum of some integers.
输入格式
Input contains multiple test cases. Each test case contains a integer N, and then N integers follow in the same line. A test case starting with 0 terminates the input and this test case is not to be processed.
输出格式
For each group of input integers you should output their sum in one line, and with one line of output for each line in input.
样例输入
4 1 2 3 4
5 1 2 3 4 5
0
样例输出
10
15
AC代码（C语言）
#include<stdio.h>
int main(){
//freopen("data.in.txt","r",stdin);
int n,sum=0,tmp;
while(~scanf("%d",&n)){
sum=0;
if(n==0) break;
while(n--){
scanf("%d",&tmp);
sum+=tmp;
}
printf("%d\n",sum);
}
return 0;
}
A+B for Input-Output Practice (V)
时间限制: 1s 内存限制: 64MB
题目描述
Your task is to calculate the sum of some integers.
输入格式
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.
输出格式
For each group of input integers you should output their sum in one line, and with one line of output for each line in input.
样例输入
2
4 1 2 3 4
5 1 2 3 4 5
样例输出
10
15
AC代码（C语言）
#include<stdio.h>
int main(){
//freopen("data.in.txt","r",stdin);
int n,m,sum=0,tmp;
scanf("%d",&n);
while(n--){
sum=0;
scanf("%d",&m);
while(m--){
scanf("%d",&tmp);
sum+=tmp;
}
printf("%d\n",sum);
}
return 0;
}
A+B for Input-Output Practice (VI)
时间限制: 1s 内存限制: 64MB
题目描述
Your task is to calculate the sum of some integers.
输入格式
Input contains multiple test cases, and one case one line. Each case starts with an integer N, and then N integers follow in the same line.
For each test case you should output the sum of N integers in one line, and with one line of output for each line in input.
样例输入
4 1 2 3 4
5 1 2 3 4 5
样例输出
10
15
AC代码（C语言）
#include<stdio.h>
int main(){
//freopen("data.in.txt","r",stdin);
int n,sum=0,tmp;
while(~scanf("%d",&n)){
sum=0;
while(n--){
scanf("%d",&tmp);
sum+=tmp;
}
printf("%d\n",sum);
}
return 0;
}
A+B for Input-Output Practice (VII)
时间限制: 1s 内存限制: 64MB
题目描述
Your task is to Calculate a + b.
输入格式
The input will consist of a series of pairs of integers a and b, separated by a space, one pair of integers per line.
输出格式
For each pair of input integers a and b you should output the sum of a and b, and followed by a blank line.
样例输入
1 5
10 20
样例输出
6文章来源：https://www.toymoban.com/news/detail-734271.html
30
AC代码（C语言）
#include<stdio.h>
int main(){
//freopen("data.in.txt","r",stdin);
int a,b;
while(~scanf("%d%d",&a,&b)){
printf("%d\n\n",a+b);
}
return 0;
}
A+B for Input-Output Practice（VIII）
时间限制: 1s 内存限制: 64MB
题目描述
Your task is to calculate the sum of some integers
输入格式
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
输出格式
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.
样例输入
3
4 1 2 3 4
5 1 2 3 4 5
3 1 2 3
样例输出
10
15
6
AC代码（C语言）
#include<stdio.h>
int main(){
//freopen("data.in.txt","r",stdin);
int n,m,tmp,sum=0;
scanf("%d",&n);
while(n--){
sum=0;
scanf("%d",&m);
while(m--){
scanf("%d",&tmp);
sum+=tmp;
}
printf("%d\n\n",sum);
}
return 0;
}
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