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Hallo i have got always Wrong Answer but I do not know what is wrong ? Can somebody help me ? :(

My code :

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

#define pi 3.14159265358979323846

double vys[1][2];
double pii = pi /180;


double delka(double lat1, double lon1,double lat2 ...