제출 #1125566

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1125566		ArtistWall	Balloons (CEOI11_bal)	C++20	컴파일 에러	0 ms	0 KiB

bal

#include <bits/stdc++.h>
using namespace std;

const int PRECISION = 3;

	return (a.first - bx) * (a.first - bx) / (4 * a.second);
}

int main() {
	int n;
	cin >> n;
	vector<double> final_radius(n);
	stack<pair<double, double>> to_check;

	for (int i = 0; i < n; i++) {
		double x, r;
		cin >> x >> r;
		double max_r = r;
		while (!to_check.empty()) {
			pair<double, double> last = to_check.top();
			double to_last_r = calc_r(last, x);
			max_r = min(max_r, to_last_r);
			if (max_r >= last.second) {
				to_check.pop();
				continue;
			}
			else {
				break;
			}
		}
		to_check.push({x, max_r});

		final_radius[i] = max_r;
	}

	cout << fixed << setprecision(PRECISION);
	for (double &r : final_radius) { cout << r << "\n"; }
}

컴파일 시 표준 에러 (stderr) 메시지

bal.cpp:6:9: error: expected unqualified-id before 'return'
    6 |         return (a.first - bx) * (a.first - bx) / (4 * a.second);
      |         ^~~~~~
bal.cpp:7:1: error: expected declaration before '}' token
    7 | }
      | ^
bal.cpp: In function 'int main()':
bal.cpp:21:44: error: 'calc_r' was not declared in this scope
   21 |                         double to_last_r = calc_r(last, x);
      |                                            ^~~~~~