Spiraali

input/code.cpp: In function 'int getNum(int, int, int)':
input/code.cpp:9:7: warning: variable 'c' set but not used [-Wunused-but-set-variable]
   int c = 0, cx, cy;
       ^
input/code.cpp:9:14: warning: variable 'cx' set but not used [-Wunused-but-set-variable]
   int c = 0, cx, cy;
              ^~
input/code.cpp:9:18: warning: variable 'cy' set but not used [-Wunused-but-set-variable]
   int c = 0, cx, cy;
                  ^~

#include <bits/stdc++.h>
using namespace std;
 
int getNum(int n, int x, int y) {
	if(x == 1) {
		return y;
	}
	else {
		int c = 0, cx, cy;
		int tcx, tcy;
		tcx = min(n-x, x);
		tcy = min(n-y, y);
		for(int i = 1; true; i++) {
 
			c = i*(2*n-i);
			cx = i/2;
			cy = (i-1)/2;
 
			if(n-x < x) { //o
				if(tcx < tcy) {
					return ((tcx*2+1)*2*n- (tcx*2+1)*(tcx*2+1) + n - y - (tcx-1/2));
				}
				else {
					return ((tcy*2+1)*(2*n-(tcy*2+1)) - n + (x + (tcy*2+1)/2));
				}
			}
			else {

				if(tcx <= tcy) {
					return ((tcx-1)*2*(2*n-(tcx-1)*2) - ((tcx-1)*2-1)/2 + y - 1);
				}
				else {
					return (tcy*2*(2*n-tcy*2) - x + tcy*2/2 + 1);
				}
			};
		}
	}
}
 
int main () {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	int n, t, x, y;
	cin >> n >> t;
	for(int i = 0; i < t; i++) {
		cin >> y >> x;
		cout << getNum(n, x, y) << "\n";
	}
}

Test 1

Group: 1

Verdict: WRONG ANSWER

Test 2

Group: 2

Verdict: WRONG ANSWER

Test 3

Group: 3

Verdict: WRONG ANSWER