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为什么WA????????#include<iostream.h> #include<stdio.h> #include<math.h> int main() { __int64 x,y; __int64 sum; int i,n; cin>>n; for(i=0;i<n;i++) { //int flag=0; scanf("%I64d%I64d",&x,&y); sum=(x+y)*(y-x+1)/2; // if(flag==1)printf("-"); printf("Scenario #%d:\n",i+1); printf("%I64d\n",sum); printf("\n"); } return 0; } Followed by:
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