#include <stdio.h>
int m,n,s;
int main()
{
scanf("%d",&m);
s=0;
n=1;
while(s<m)
{
s+=n;
n++;
}
printf("%d",s);
return 0;
}
scanf("%d",&m);
n= 0;
s = 0;
while(s<m)
{
n++;
s += n;
}
printf("n= %d,s= %d",n,s);
题主连运行检验一下都没有就给采纳了,真是白瞎了我的回答!