新思维：C语言程序设计

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#include <stdio.h>
int main()
{
    int i=1,sum=0;
    while (i<=100) {
        sum=sum+i;
        i++;
    }
    printf("sum=%d\n",sum);
    return 0;
}

#include <stdio.h> int main() { int i=1,sum=0; while (i<=100) { sum=sum+i; i++; } printf("sum=%d\n",sum); return 0; }

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    while (i<=100) {
        sum=sum+(i++);
    }

while (i<=100) { sum=sum+(i++); }

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#include <stdio.h>
int main()
{
    int i=1,sum=0;
    do {
        sum=sum+i;
        i++;
    } while(i<=100);
    printf("%d\n",sum);
    return 0;
}

#include <stdio.h> int main() { int i=1,sum=0; do { sum=sum+i; i++; } while(i<=100); printf("%d\n",sum); return 0; }