C :

#include<stdio.h>

int main()
{
	int t,n;
	scanf("%d",&t);
	while(t--)
	{
		scanf("%d",&n);
		if(n<150)
			printf("%d\n",n);
		else if(n<=200||n>=300)
			printf("%d\n",n%50);
		else
			printf("%d\n",n-200);
	}
	return 0;
}

C++ :

#include<stdio.h>

int main()
{
	int t,n;
	scanf("%d",&t);
	while(t--)
	{
		scanf("%d",&n);
		if(n<150)
			printf("%d\n",n);
		else if(n<=200||n>=300)
			printf("%d\n",n%50);
		else
			printf("%d\n",n-200);
	}
	return 0;
}

Java :

public class Main {
            public static void main(String[] args) { 
              java.util.Scanner input = new java.util.Scanner(System.in) ;
              int n = input.nextInt();
         for(int l =0;l <n;l++){
             int N = input.nextInt();
             int a = N/350;
             int b = N/200;
             int c = N/150;
             int max = 0;
             for(int i=0;i<=a;i++){
                 for(int j=0;j<=b;j++){
                     for(int k = 0;k<=c;k++){
                         if(i*350+j*200+k*150>max&&i*350+j*200+k*150<=N)
                         max=i*350+j*200+k*150;
                        }
                    }
                }
               System.out.println(N-max);
            }
        }
    }