Sum);}
sum=0;for(i;i<=100;i++){sum+=i;}printf("%d" Sum);}
答案补充
#include<stdio.h>void main(){int i=1 sum=0;for(i;i<100;i++){sum+=i;}printf("%d" nSum);}
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#include<stdio.h>void main(){int i=0 sum);getch();}
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int sum=0;int i=1;for(;i<=100;i++){sum+=i;}
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#include <stdio.h>int GetSum(int n){return n*(n+1)/2;}int main(){int nSum = GetSum(100);printf("%d" sum=0;for(i=1;i<101;i++)sum+=i;printf("1+2+3+4+5...+100=%d"
main(){int i