Submission #24,939

2026-02-17 00:11:10

cpp17

Accepted 50/50

59ms

604 KiB

// Source: https://usaco.guide/general/io

#include <bits/stdc++.h>
using namespace std;
#define int long long
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")


signed main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(NULL);
    int t,m;cin>>t>>m;
    while(t--){
        int a,x,b,y;cin>>a>>x>>b>>y;
        int ans=max(0LL,(b-a-1)*24)+24-x+y-1;
        ans/=m;
        cout<<(a==b?(y-x-1)/m:ans)<<endl;
    }
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	508 KiB
		2	Accepted	0/0	8ms	316 KiB
		3	Accepted	5/5	1ms	316 KiB
		4	Accepted	5/5	54ms	560 KiB
		5	Accepted	3/3	1ms	316 KiB
		6	Accepted	3/3	1ms	316 KiB
		7	Accepted	3/3	1ms	316 KiB
		8	Accepted	3/3	1ms	316 KiB
		9	Accepted	3/3	1ms	508 KiB
		10	Accepted	3/3	1ms	316 KiB
		11	Accepted	3/3	1ms	316 KiB
		12	Accepted	1/1	1ms	316 KiB
		13	Accepted	1/1	1ms	316 KiB
		14	Accepted	1/1	1ms	316 KiB
		15	Accepted	1/1	1ms	316 KiB
		16	Accepted	2/2	57ms	448 KiB
		17	Accepted	3/3	57ms	528 KiB
		18	Accepted	2/2	59ms	604 KiB
		19	Accepted	3/3	57ms	460 KiB
		20	Accepted	1/1	57ms	564 KiB
		21	Accepted	1/1	54ms	500 KiB
		22	Accepted	3/3	59ms	472 KiB