#include <stdio.h>
int main(void) {
int a=1,n;
int sum=0;
while(sum<=1000)
{
sum=sum+a;
a=a+1;
}
printf("1000を超える数になったときに足した数は%d\n",a
); return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgYT0xLG47CglpbnQgc3VtPTA7Cgl3aGlsZShzdW08PTEwMDApCgl7CgkJc3VtPXN1bSthOwoJCWE9YSsxOwoJfQoJcHJpbnRmKCIxMDAw44KS6LaF44GI44KL5pWw44Gr44Gq44Gj44Gf44Go44GN44Gr6Laz44GX44Gf5pWw44GvJWRcbiIsYSk7CglyZXR1cm4gMDsKfQo=