Hints needed for learning

#include <stdio.h>

int main() {
    int t;
    scanf("%d", &t);

    for (int i = 0; i < t; i++) {
        int X, Y;
        scanf("%d %d", &X, &Y);
        //The original code also had a logical error
        if (Y >= X && Y <= (X+200)) {
        else {

    return 0;

Hey @sunny02abhi,

You need hints which explain the solution or hints so that you can find the solution yourself?