Submission #1176566

#	Time	Username	Problem	Language	Result	Execution time	Memory
1176566		Tsagana	Coin Collecting (JOI19_ho_t4)	C++20	Compilation error	0 ms	0 KiB

joi2019_ho_t4

#include<bits/stdc++.h>

#define IOS ios_base::sync_with_stdio(false);cin.tie();cout.tie();
#define all(x) x.begin(), x.end()
#define int long long
#define pq priority_queue
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
#define pb push_back
#define pp pop_back
#define F first
#define S second

using namespace std;

int m[100010][3];

void solve () {
	cin >> n;
	for (i = 1; i <= 2*n; i++) {
		int x, y;
		cin >> x >> y;
		
		if (x < 1) ans += 1 - x, x = 1;
		else if (x > n) ans += x - n, x = n;
		
		if (y < 1) ans += 1 - y, y = 1;
		else if (y > 2) ans += y - 2, y = 2;
		
		m[x][y]++;
	}

	for (i = 1; i <= n; i++) {
		a += m[i][1] - 1, b += m[i][2] - 1;
		while (a > 0 && b < 0) {a--; b++; ans++;}
		while (a < 0 && b > 0) {a++, b--, ans++;}
		ans += abs(a) + abs(b);
	}
	cout << ans;
}
signed main() {IOS solve(); return 0;}

Compilation message (stderr)

joi2019_ho_t4.cpp: In function 'void solve()':
joi2019_ho_t4.cpp:20:16: error: 'n' was not declared in this scope; did you mean 'yn'?
   20 |         cin >> n;
      |                ^
      |                yn
joi2019_ho_t4.cpp:21:14: error: 'i' was not declared in this scope
   21 |         for (i = 1; i <= 2*n; i++) {
      |              ^
joi2019_ho_t4.cpp:25:28: error: 'ans' was not declared in this scope; did you mean 'abs'?
   25 |                 if (x < 1) ans += 1 - x, x = 1;
      |                            ^~~
      |                            abs
joi2019_ho_t4.cpp:26:33: error: 'ans' was not declared in this scope; did you mean 'abs'?
   26 |                 else if (x > n) ans += x - n, x = n;
      |                                 ^~~
      |                                 abs
joi2019_ho_t4.cpp:28:28: error: 'ans' was not declared in this scope; did you mean 'abs'?
   28 |                 if (y < 1) ans += 1 - y, y = 1;
      |                            ^~~
      |                            abs
joi2019_ho_t4.cpp:29:33: error: 'ans' was not declared in this scope; did you mean 'abs'?
   29 |                 else if (y > 2) ans += y - 2, y = 2;
      |                                 ^~~
      |                                 abs
joi2019_ho_t4.cpp:34:14: error: 'i' was not declared in this scope
   34 |         for (i = 1; i <= n; i++) {
      |              ^
joi2019_ho_t4.cpp:35:17: error: 'a' was not declared in this scope
   35 |                 a += m[i][1] - 1, b += m[i][2] - 1;
      |                 ^
joi2019_ho_t4.cpp:35:35: error: 'b' was not declared in this scope
   35 |                 a += m[i][1] - 1, b += m[i][2] - 1;
      |                                   ^
joi2019_ho_t4.cpp:36:51: error: 'ans' was not declared in this scope; did you mean 'abs'?
   36 |                 while (a > 0 && b < 0) {a--; b++; ans++;}
      |                                                   ^~~
      |                                                   abs
joi2019_ho_t4.cpp:37:51: error: 'ans' was not declared in this scope; did you mean 'abs'?
   37 |                 while (a < 0 && b > 0) {a++, b--, ans++;}
      |                                                   ^~~
      |                                                   abs
joi2019_ho_t4.cpp:38:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   38 |                 ans += abs(a) + abs(b);
      |                 ^~~
      |                 abs
joi2019_ho_t4.cpp:40:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   40 |         cout << ans;
      |                 ^~~
      |                 abs