/* error_zeta1_bugged.c
1/1 + 1/2 + 1/3 + ... の計算をしているはずなのに
どこがバグかな？
*/

#include<stdio.h>

int main()
{
    int n;
    float x = 0.0;
    for(n = 1; n < 11; n++){
        x += 1 / n;
        if(n == 1) printf("1/1                    = %9.6f\n", x);
        if(n == 2) printf("1/1 + 1/2              = %9.6f\n", x);
        if(n == 3) printf("1/1 + 1/2 + 1/3        = %9.6f\n", x);
        if(n >  3) printf("1/1 + 1/2 + ... + 1/%2d = %9.6f\n", n, x);
    }
    return 0;
}

/* 出力：
1/1                    =  1.000000
1/1 + 1/2              =  1.000000
1/1 + 1/2 + 1/3        =  1.000000
1/1 + 1/2 + ... + 1/ 4 =  1.000000
1/1 + 1/2 + ... + 1/ 5 =  1.000000
1/1 + 1/2 + ... + 1/ 6 =  1.000000
1/1 + 1/2 + ... + 1/ 7 =  1.000000
1/1 + 1/2 + ... + 1/ 8 =  1.000000
1/1 + 1/2 + ... + 1/ 9 =  1.000000
1/1 + 1/2 + ... + 1/10 =  1.000000
*/