Help me in solving PPSC18 problem

[mitwpu_113087]

My issue

h

My code

#include <stdio.h>

int main(void) {
    char x[]="true",y[]="false";
    printf("x:%f\ny:%f",x[],y[]);
        

}

Learning course: CSEIPFOIA: Programming and Problem Solving
Problem Link: Bool Datatype Practice Problem in CSEIPFOIA: Programming and Problem Solving - CodeChef