제출 #243183

#제출 시각아이디문제언어결과실행 시간메모리
243183crossing0ver장난감 기차 (IOI17_train)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h>
#define vi vector<int>
#define pb push_back
//#include "train.h"
using namespace std;
int n,m;
vi X,Y,good,who,adj[5009];

vi CASE1() {
	vi ans(n);
	for (int i = n-1; i >= 0; i--) {
		bool flag = 0;
		for (int j : adj[i]) {
			if (j == i && who[i] == good[i]) {
				ans[i] = who[i];
				flag = 1;
				break;
			}
			if (who[i] == ans[j] && j != i) {
				flag = 1;
				ans[i] = ans[j];
				break;
			}
		}
		if (flag == 0) ans[i] = (!who[i]);
	}
	return ans;
}
vector<int> vis(5005),P(5005),G(5005),depth(5005);
bool dfs(int v,int tp) {
	vis[v] = 1;
	bool ans = 0
	if (tp && good[v] == 2) ans = 1;
	for (int i : adj[v]) {
		if (vis[i] && good[i]) good[i] = 2;
		else ans|=dfs(v,tp);
	}
	return ans;
}
vi CASE2() {
	vi ans(n);//,vis(n),P(n),G(n),depth(n);
	for (int i = 0; i < n; i++) {
		if (good[i]) dfs(i,0);
		fill(vis,0,sizeof vis);
	}
	for (int i = 0; i < n; i++) {
		ans[i] = dfs(i,1);
	}
	return ans;
}
vi who_wins(vi a1, vi r, vi st, vi en) {
	n = a1.size(), m = st.size();
	X = st; Y = en;
	for (int i = 0; i < m; i++)
		adj[X[i]].pb(Y[i]);
	good = r;
	who = a1;
	bool case1 = 1,case2 = 1;
	for (int i = 0; i < m; i++) {
		if (X[i] != Y[i] && X[i]+1 != Y[i])
			case1 = 0;
	}
	for (int i = 0;i < n; i++)
		if (who[i] == 0) case2 = 0;
	if (case2) return CASE2();
	if (case1) return CASE1();
//	return res;
	return vector<int>();
}
/*
main() {
	cin >> n >> m;
	vi r(n),a1(n),st(m),en(m);
	for (int i = 0; i < n; i++) 
		cin >> a1[i];
	for (int i = 0; i < n ;i++)
		cin >> r[i];
	for (int i = 0; i < m ;i++) {
		int x,y;
		cin >> st[i] >> en[i];
	}
	vi ans = who_wins(a1,r,st,en);
	for (int i :ans) cout << i <<' ';
}*/

컴파일 시 표준 에러 (stderr) 메시지

train.cpp: In function 'bool dfs(int, int)':
train.cpp:33:2: error: expected ',' or ';' before 'if'
  if (tp && good[v] == 2) ans = 1;
  ^~
train.cpp: In function 'std::vector<int> CASE2()':
train.cpp:44:24: error: no matching function for call to 'fill(std::vector<int>&, int, long unsigned int)'
   fill(vis,0,sizeof vis);
                        ^
In file included from /usr/include/c++/7/bits/specfun.h:45:0,
                 from /usr/include/c++/7/cmath:1914,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
                 from train.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:724:5: note: candidate: template<class _ForwardIterator, class _Tp> void std::fill(_ForwardIterator, _ForwardIterator, const _Tp&)
     fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value)
     ^~~~
/usr/include/c++/7/bits/stl_algobase.h:724:5: note:   template argument deduction/substitution failed:
train.cpp:44:24: note:   deduced conflicting types for parameter '_ForwardIterator' ('std::vector<int>' and 'int')
   fill(vis,0,sizeof vis);
                        ^
In file included from /usr/include/c++/7/deque:66:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:68,
                 from train.cpp:1:
/usr/include/c++/7/bits/deque.tcc:965:5: note: candidate: template<class _Tp> void std::fill(const std::_Deque_iterator<_Tp, _Tp&, _Tp*>&, const std::_Deque_iterator<_Tp, _Tp&, _Tp*>&, const _Tp&)
     fill(const _Deque_iterator<_Tp, _Tp&, _Tp*>& __first,
     ^~~~
/usr/include/c++/7/bits/deque.tcc:965:5: note:   template argument deduction/substitution failed:
train.cpp:44:24: note:   'std::vector<int>' is not derived from 'const std::_Deque_iterator<_Tp, _Tp&, _Tp*>'
   fill(vis,0,sizeof vis);
                        ^
In file included from /usr/include/c++/7/vector:65:0,
                 from /usr/include/c++/7/functional:61,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:71,
                 from train.cpp:1:
/usr/include/c++/7/bits/stl_bvector.h:398:3: note: candidate: void std::fill(std::_Bit_iterator, std::_Bit_iterator, const bool&)
   fill(_Bit_iterator __first, _Bit_iterator __last, const bool& __x)
   ^~~~
/usr/include/c++/7/bits/stl_bvector.h:398:3: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::_Bit_iterator'