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1、. . . 1001 Sum Problem21089 A+B for Input-Output Practice (I)41090 A+B for Input-Output Practice (II)61091 A+B for Input-Output Practice (III)81092 A+B for Input-Output Practice (IV)91093 A+B for Input-Output Practice (V)111094 A+B for Input-Output Practice (VI)121095 A+B for Input-Output Practice (
2、VII)131096 A+B for Input-Output Practice (VIII)142000 ASCII码排序162001计算两点间的距离172002计算球体积192003求绝对值202004成绩转换212005第几天？222006求奇数的乘积242007平方和与立方和262008数值统计272009求数列的和282010水仙花数292011多项式求和312012素数判定332014青年歌手大奖赛_评委会打分342015偶数求和362016数据的交换输出382017字符串统计402019数列有序!412020绝对值排序432021发工资咯：）452033人见人爱A+B462039
3、三角形482040亲和数49. . 1001 Sum ProblemProblem DescriptionHey, welcome to HDOJ(Hangzhou Dianzi University Online Judge).In this problem, your task is to calculate SUM(n) = 1 + 2 + 3 + . + n.InputThe input will consist of a series of integers n, one integer per line.OutputFor each case, output SUM(n) in o
4、ne line, followed by a blank line. You may assume the result will be in the range of 32-bit signed integer.Sample Input1100Sample Output15050AuthorDOOM III解答：#includemain() int n,i,sum; sum=0; while(scanf(%d,&n)!=-1) sum=0; for(i=0;i=n;i+) sum+=i; printf(%dnn,sum); 1089 A+B for Input-Output Practice
5、 (I)Problem DescriptionYour 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. InputThe input will consist of a series
6、of pairs of integers a and b, separated by a space, one pair of integers per line. OutputFor 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. Sample Input1 510 20Sample Output630AuthorlcyRecommendJGShining解答：#in
7、clude main() int a,b; while(scanf(%d%d,&a,&b)!=EOF) printf(%dn,a+b); 1090 A+B for Input-Output Practice (II)Problem DescriptionYour task is to Calculate a + b.InputInput contains an integer N in the first line, and then N lines follow. Each line consists of a pair of integers a and b, separated by a
8、 space, one pair of integers per line. OutputFor 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. Sample Input21 510 20Sample Output630AuthorlcyRecommendJGShining 解答：#include#define M 1000void main() int a ,b,n,
9、jM,i; /printf(please input n:n); scanf(%d,&n); for(i=0;in;i+) scanf(%d%d,&a,&b); /printf(%d %d,a,b); ji=a+b; i=0; while(in) printf(%d,ji); i+; printf(n); 1091 A+B for Input-Output Practice (III)Problem DescriptionYour task is to Calculate a + b.InputInput contains multiple test cases. Each test case
10、 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.OutputFor 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
11、input. Sample Input1 510 200 0Sample Output630AuthorlcyRecommendJGShining解答：#include main() int a,b; scanf(%d %d,&a,&b); while(!(a=0&b=0) printf(%dn,a+b); scanf(%d %d,&a,&b); 1092 A+B for Input-Output Practice (IV)Problem DescriptionYour task is to Calculate the sum of some integers.InputInput conta
12、ins 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.OutputFor each group of input integers you should output their sum in one line, and with one line of output for each line in input. Sample Input4 1 2 3 45 1 2 3 4 50 Sample Output1015AuthorlcyRecommendJGShining解答：#include int main() int n,sum,i,t; while(scanf(%d,&n)!=EOF&n!=0) sum=0; for(i=0;in;i+) scanf(%d,&t);
