Submission #1042613

#	Time	Username	Problem	Language	Result	Execution time	Memory
1042613		jmuzhen	Pinball (JOI14_pinball)	C++14	Compilation error	0 ms	0 KiB

pinball

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

struct Device {
	int l, r;
	int tp; // square that ball is tp'd to
	int c; // cost to put device
};

struct Len {
	int l, r;
	int sz() const {
		return r - l + 1;
	}
};

Len union(Len a, Len b) {
	Len x, y;
	if (a.l < b.l) {
		x = a; y = b;
	}
	else {
		x = b; y = a;
	}
	// x.l <= y.l
	return {y.l, x.r}; // note how if y.l > x.r then the Len is not valid
}

bool is_valid(Len x) {
	return x.l <= x.r;
}

int main() {
	int m, rows, cols; // m+2 rows, n columns, m devices, 1-indexed
	cin >> m >> cols; rows = m + 2;
	// vector<int> g(m+2+1, vector<int>(n+1));  // for demo
	for (int i = 0; i < m; i++) {
		int l, r, tp, c; cin >> l >> r >> tp >> c;
		Device d = {l, r, tp, c};
	}
	
	int l = 1, r = cols;
	
	
	
	
}

Compilation message (stderr)

pinball.cpp:17:10: error: expected identifier before '(' token
   17 | Len union(Len a, Len b) {
      |          ^
pinball.cpp:17:14: error: expected ')' before 'a'
   17 | Len union(Len a, Len b) {
      |          ~   ^~
      |              )
pinball.cpp: In function 'int main()':
pinball.cpp:39:10: warning: unused variable 'd' [-Wunused-variable]
   39 |   Device d = {l, r, tp, c};
      |          ^
pinball.cpp:42:6: warning: unused variable 'l' [-Wunused-variable]
   42 |  int l = 1, r = cols;
      |      ^
pinball.cpp:42:13: warning: unused variable 'r' [-Wunused-variable]
   42 |  int l = 1, r = cols;
      |             ^