이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "paint.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<bool> vb;
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define REP(i,k,n) for(ll i=(ll)(k);i<(ll)(n);i++)
#define all(a) a.begin(),a.end()
#define lb(v,k) (lower_bound(all(v),k)-v.begin())
#define fi first
#define se second
#define pb emplace_back
template<class T> void out(T a){cout<<a<<endl;}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<endl;}
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
const ll inf=1001001001001001001;
bool check(string s,vector<int> c){
string t;
rep(i,c.size()){
if(i)t+='_';
rep(j,c[i])t+='X';
}
vvi dp(s.size()+1,vi(t.size()+1));
dp[0][0]=1;
rep(i,s.size())rep(j,t.size()+1)if(dp[i][j]){
if(j<t.size()&&(s[i]=='.'||s[i]==t[j]))dp[i+1][j+1]=1;
if((j==0||j==t.size())&&s[i]!='X')dp[i+1][j]=1;
if(j>0&&s[i]!='X'&&t[j-1]=='_')dp[i+1][j]=1;
}
// out(s);
// out(dp[s.size()][t.size()]);
return dp[s.size()][t.size()];
}
std::string solve_puzzle(std::string s, std::vector<int> c) {
string res=s;
rep(i,s.size())if(s[i]=='.'){
s[i]='X';
if(!check(s,c))res[i]='_';
else{
s[i]='_';
if(!check(s,c))res[i]='X';
else res[i]='?';
}
s[i]='.';
}
return res;
}
컴파일 시 표준 에러 (stderr) 메시지
paint.cpp: In function 'bool check(std::string, std::vector<int>)':
paint.cpp:33:13: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
33 | if(j<t.size()&&(s[i]=='.'||s[i]==t[j]))dp[i+1][j+1]=1;
| ~^~~~~~~~~
paint.cpp:34:20: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
34 | if((j==0||j==t.size())&&s[i]!='X')dp[i+1][j]=1;
| ~^~~~~~~~~~
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