uva 10055 Hashmat the Brave Warrior
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Problem A
Hashmat the brave warrior
Input: standard input
Output: standard output
Hashmat is a brave warrior who with his group of young soldiers moves from one place to another to fight against his opponents. Before fighting he just calculates one thing, the difference between his soldier number and the opponent's soldier number. From this difference he decides whether to fight or not. Hashmat's soldier number is never greater than his opponent.
Input
The input contains two integer numbers in every line. These two numbers in each line denotes the number of soldiers in Hashmat's army and his opponent's army or vice versa. The input numbers are not greater than 2^32. Input is terminated by End of File.
Output
For each line of input, print the difference of number of soldiers between Hashmat's army and his opponent's army. Each output should be in seperate line.
Sample Input:
10 14
100 200
Sample Output:
4
100
#include <stdio.h>
#include <stdlib.h>
int main( )
{
long long a,b;
while (scanf("%lld%lld",&a,&b) == 2){
printf("%lld\n",a>b?a-b:b-a);
}
return 0;
}
小结:
《1》 数据一定要考虑什么类型的
《2》 题目一定要看清,特别是 input 里面的内容,本题 vice versa 和 2^32 都没注意 ,下次小心
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