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发表于 2012-8-18 21:32:28
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//while
#include <stdio.h>
int main()
{
int i=1, sum=0;
while (i<=100)
{
sum+=i;
i++;
}
printf("%d\n", sum);
sleep(5000);
return 0;
}
//do....while
#include <stdio.h>
int main()
{
int i=1, sum=0;
do
{
sum+=i;
i++;
}while (i<=100);
printf("%d\n", sum);
sleep(5000);
return 0;
}
//for
#include <stdio.h>
int main()
{
int i, sum=0;
for (i=1;i<=100;i++)
sum+=i;
printf("%d\n", sum);
sleep(5000);
return 0;
}
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