#includeint main(void) { int n; scanf("%d",&n); int i; double j=1; double sum=0; for(i=1;i<=n;i++) { sum += 1/j; j+=2; //printf("sum = %.6fn",sum); } printf("sum = %.6f",sum); return 0; }
#includeint main(void) { int n; scanf("%d",&n); int i; double j=1; double sum=0; for(i=1;i<=n;i++) { sum += 1/j; j+=2; //printf("sum = %.6fn",sum); } printf("sum = %.6f",sum); return 0; }
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