predict.c

#include<stdio.h>

int main(){
    FILE *fin = fopen("testing/test_cases.txt","r");
    FILE *fout = fopen("testing/Coutput.txt","w");
    int test_cases;
    fscanf (fin, "%d\n", &test_cases );
    float p,gain;
    while(test_cases-- > 0){
        fscanf (fin, "%f\n", &p );
        if(p >= .5){
            gain = 10000 * (1-p) * (2*p-1);
        }
        else{
            gain = p*(1-2*p)*10000;
        }
        float val = 10000+gain;
        fprintf(fout, "%.6f\n",val);
    }
    fclose(fin);
    fclose(fout);
    return 0;
}