Help me in solving FIT problem

My issue

showing runtime error

My code

#include<stdio.h>
int main(){
    int T;
    printf("Enter Test Cases:");
    scanf("%d",T);
    for(int i=T;T>=1;i--){
        int X;
        printf("Total Distance Covered:%d",10*X);
    }
    
    
    return 0;
}

Learning course: Basic Math using C
Problem Link: CodeChef: Practical coding for everyone

@shivanand_0
I have corrected your code .

#include<stdio.h>
int main(){
    int T;
   // printf("Enter Test Cases:");
    scanf("%d",&T);
    for(int i=T;i>=1;i--){
        int X;
        scanf("%d",&X);
        printf("%d\n",10*X);
    }
    
    
    return 0;
}