#include<stdio.h> #include<math.h> int main() { int i,n,a=2,b=1; double sum=0.0; for(i=0;i<n;i++) { sum+=a/b; c=a+b; b=a; a=c; } printf("%.6f",sum); return 0; } /* Main.c: In function 'main': Main.c:10:5: error: 'c' undeclared (first use in this function) c=a+b; ^ Main.c:10:5: note: each undeclared identifier is reported only once for each function it appears in */ |
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