#include <stdio.h> int main() { float i; float j; int p; float sum; float temp; int k; int N; i = 2; j = 1; scanf("%d",&N); for(p = 0;p<N;p++) { temp =i / j; k = i+j; j = i; i = k; sum +=temp; } printf("%.2f",sum); return 0; } |
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