Tutkat

input/code.cpp: In function 'int main()':
input/code.cpp:42:9: warning: unused variable 'py' [-Wunused-variable]
     int py = -1;
         ^
input/code.cpp:43:9: warning: unused variable 'px' [-Wunused-variable]
     int px = -1;
         ^
input/code.cpp:44:10: warning: unused variable 'by' [-Wunused-variable]
     bool by = true;
          ^
input/code.cpp:45:10: warning: unused variable 'bx' [-Wunused-variable]
     bool bx = true;
          ^
input/code.cpp:53:10: warning: unused variable 'b' [-Wunused-variable]
     bool b = true;
          ^
input/code.cpp: In function 'std::string to_string(int)':
input/code.cpp:93:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < s.length(); i++) t += s[s.length() - i - 1];
                       ^

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <iomanip>
#include <cstdlib>
#include <queue>

#define uint unsigned int
#define INF 999999999
#define ll long long
#define M 1000000007
#define E 0.0000001
#define N 1<<16;

using namespace std;

string to_string (const int n);
int stoi (const string s);

int gcd (const int a, const int b) {
    if (b == 0) {
        if (a != 0) return a;
        else return 1;
    }
    return gcd(b, a % b);
}

int main () {
    cin.sync_with_stdio(false);
    cin.tie(0);

    int n;
    cin>>n;
    if (n <= 2) {
        cout<<"QAQ"<<endl;
        return 0;
    }

    int py = -1;
    int px = -1;
    bool by = true;
    bool bx = true;
    vector<pair<int, int>> v;
    for (int i = 0; i < n; i++) {
        int x, y;
        cin>>x>>y;
        v.push_back(make_pair(x, y));
    }

    bool b = true;
    int kx = 0;
    int ky = 0;
    for (int i = 1; i < n; i++) {
        int x = v[0].first - v[i].first;
        int y = v[0].second - v[i].second;
        if (x == 0 && y == 0) continue;

        if (x < 0) {
            x = -x;
            y = -y;
        }

        //cout<<x<<" "<<y<<endl;
        int g = gcd(x, y);
        x /= g;
        y /= g;
        //cout<<x<<" "<<y<<endl<<endl;

        if (i == 1) {
            kx = x;
            ky = y;
        } else if (kx != x || ky != y) {
            cout<<"10-4"<<endl;
            return 0;
        }
    }

    cout<<"QAQ"<<endl;

    return 0;
}

string to_string (int n) {
    string s;
    string t;
    while (n) {
        s += (n % 10) + '0';
        n /= 10;
    }
    for (int i = 0; i < s.length(); i++) t += s[s.length() - i - 1];
    return t;
}

int stoi (const string s) {
    int n = 0;
    for (char c : s) n = (n * 10) + (c - '0');
    return n;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 1

Verdict: ACCEPTED

Test 7

Group: 1

Verdict: ACCEPTED

Test 8

Group: 1

Verdict: ACCEPTED

Test 9

Group: 1

Verdict: ACCEPTED

Test 10

Group: 1

Verdict: ACCEPTED

Test 11

Group: 2

Verdict: ACCEPTED

Test 12

Group: 2

Verdict: ACCEPTED

Test 13

Group: 2

Verdict: ACCEPTED

Test 14

Group: 2

Verdict: ACCEPTED

Test 15

Group: 2

Verdict: ACCEPTED

Test 16

Group: 2

Verdict: ACCEPTED

Test 17

Group: 2

Verdict: ACCEPTED

Test 18

Group: 2

Verdict: ACCEPTED

Test 19

Group: 2

Verdict: ACCEPTED

Test 20

Group: 2

Verdict: ACCEPTED

Test 21

Group: 3

Verdict: ACCEPTED

Test 22

Group: 3

Verdict: ACCEPTED

Test 23

Group: 3

Verdict: ACCEPTED

Test 24

Group: 3

Verdict: ACCEPTED

Test 25

Group: 3

Verdict: ACCEPTED

Test 26

Group: 3

Verdict: ACCEPTED

Test 27

Group: 3

Verdict: ACCEPTED

Test 28

Group: 3

Verdict: ACCEPTED

Test 29

Group: 3

Verdict: ACCEPTED

Test 30

Group: 3

Verdict: ACCEPTED