Submission #68931

#	Time	Username	Problem	Language	Result	Execution time	Memory
68931		nvmdava	Paint By Numbers (IOI16_paint)	C++17	Compilation error	0 ms	0 KiB

paint

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

bool pos[200001][101];
string ans, s;
int c[200001];
vector<int> v;
bool swapx(int i, int j){
	int l;
	if(i >= v[j]){
		if(s[i - v[j]] == 'X'){
			return 0;
		}
	}
	for(l = 1; l < v[j]; l++){
		if(s[i - l] == '_'){
			break;
		}
	}
	if(l == v[j]){
		if(i >= v[j]) return pos[i - v[j]][j];
		return pos[i - v[j] + 1][j];
	}
}

string solve_puzzle(string s, vector<int> v) {	
	
	::v = v;
	::s = s;
	
	int n = v.size(), sz = s.size(), i, j;
	ans = s;
	pos[0][0] = 1;
	for(i = 1; i <= sz; i++){
		if(s[i - 1] == 'X'){
			break;
		}
		pos[i][0] = 1;
	}
	for(i = 1; i <= sz; i++){
		for(j = 1; j <= n; j++){
			if(i < v[j - 1]){
				continue;
			}
			if(s[i - 1] == 'X'){
				pos[i][j] = swapx(i - 1, j - 1);
			} else if(s[i - 1] =='_'){
				pos[i][j] = pos[i - 1][j];
			} else {
				pos[i][j] = (pos[i - 1][j] == 0 ? swapx(i - 1, j - 1) : 1);
			}
		}
	}
	check(sz, n);
	return ans;
}

int main(){
	string s;
	cin>>s;
	int k;
	cin>>k;
	vector<int> a;
	while(k--){
		int d;
		cin>>d;
		a.push_back(d);
	}
	solve_puzzle(s, a);
}

Compilation message (stderr)

paint.cpp: In function 'std::__cxx11::string solve_puzzle(std::__cxx11::string, std::vector<int>)':
paint.cpp:55:2: error: 'check' was not declared in this scope
  check(sz, n);
  ^~~~~
paint.cpp:55:2: note: suggested alternative: 'clock'
  check(sz, n);
  ^~~~~
  clock
paint.cpp: In function 'bool swapx(int, int)':
paint.cpp:25:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^