Problem4317--整数和14317: 整数和1
Time Limit: 1.000 Sec Memory Limit: 128 MB
Submit: 108 Solved: 66
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【问题描述】从键盘输入两个数,a,b，输出ab两个数之间的所有整数和
【输入样例】1 5
【输出样例】15
Sample Input
Sample Output
HINT
1到5之间的整数和为1+2+3+4+5=15
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