Spiraali

input/code.cpp: In function 'int main()':
input/code.cpp:24:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (size_t i = 0; i < t; i++)
                     ~~^~~
input/code.cpp:30:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (size_t i = 0; i < t; i++)
                     ~~^~~
input/code.cpp:29:6: warning: unused variable 'half' [-Wunused-variable]
  int half = n / 2;
      ^~~~

#include <iostream>
#include <string>
#include <math.h>
#include <map>
#include <algorithm>
#include <vector>
#include <iostream>
#include <fstream>
#include <set>
#include <unordered_map>

using namespace std;
typedef unsigned long long ll;
//https://cses.fi/dt/

int main()
{
	int xs[1000];
	int ys[1000];
	int n;
	cin >> n;
	int t;
	cin >> t;
	for (size_t i = 0; i < t; i++)
	{
		cin >> ys[i];
		cin >> xs[i];
	}
	int half = n / 2;
	for (size_t i = 0; i < t; i++)
	{
		//input 2 6
		int x = xs[i]; //6
		int y = ys[i]; //2
		ll min = std::min(x, y); //2

		if (x+y > n+1) {
			min = n - (ll)std::max(x,y);
		}
		else {
			min -= 1; //1
		}
		ll side = n - min * 2; //4
		ll before = min * n * 2 + (side) * min*2; //0
		int matkay = y - (min+1); //4
		int matkax = x - (min+1); //5
		ll result;
		if (x <= y) {
			result = before + matkax + matkay + 1;
		}
		else {
			ll lol = before + side * 4 - 4; //20
			if (matkax != 0) {
				matkax--; //4
			}
			result = lol - matkax - matkay; //30
		}
		cout << result << "\n" ;
	}
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: ACCEPTED