제출 #752554

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
752554		vjudge1	Combo (IOI18_combo)	C++17	컴파일 에러	0 ms	0 KiB

combo

#include "combo.h"
#include<bits/stdc++.h>
using namespace std;
/*string ansstr;
int press(string s)
{
    int ans = 0;
    for(int i = 0; i < s.size(); i++){
        int cur = 0;
        for(int j = i; j < min(ansstr.size()+i, s.size()); j++){
            if(ansstr[j-i] != s[j]) break;
            cur++;
        }
        ans = max(ans, cur);
        //cerr<<cur<<endl;
    }
    //cerr<<s<<" "<<ansstr<<" "<<ans<<endl;
    return ans;
}*/
string guess_sequence(int n)
{
    string ans;
    int x = press("AB");
    if(x == 0){
        int se = press("X");
        if(se == 1) ans += "X";
        else ans += "Y";
    }
    else{
        int se = press("A");
        if(se == 1) ans += "A";
        else ans += "B";
    }
    vector<string> c;
    if(ans != "A") c.push_back("A");
    if(ans != "B") c.push_back("B");
    if(ans != "X") c.push_back("X");
    if(ans != "Y") c.push_back("Y");
    int i = 1;
    while(i < n){
        if(i == n-1){
            int fi = press(ans+c[0])-ans.size();
            if(fi == 0){
                int se = press(ans+c[1])-ans.size();
                if(se == 1) ans += c[1];
                else ans += c[2];
            }
            else{
                ans += c[0];
            }
            break;
        }
        int a = press(ans + c[0] + c[0] + ans + c[0] + c[1] + ans + c[1] + c[0])-ans.size();
        if(a == 0){
            ans += c[2];
        }
        else if(a == 1){
            int b = press(ans + c[1] + c[1])-i;
            if(b == 0) ans += c[0] + c[2];
            else if(b == 1) ans += c[1] + c[2];
            else ans += c[1] + c[1];
            i++;
        }
        else{
            int b = press(ans + c[0] + c[0])-i;
            if(b == 0) ans += c[1] + c[0];
            else if(b == 1) ans += c[0] + c[1];
            else ans += c[0] + c[0];
            i++;
        }
        i++;
    }
    return ans;
}
string jury(int n)
{
    string s = guess_sequence(n);
    if(s == ansstr) return "AC";
    else return "WA " + s + " " + ansstr;
}
/*int main()
{
    vector<string> ch = {"A", "B", "X", "Y"};
    int WAcount = 0, test = 1000;
    for(int i = 1; i <= test; i++){
        int n = rand()%1000;
        ansstr = "";
        string x = ch[rand()%4];
        ansstr += x;
        for(int j = 0; j < n-1; j++){
            string st = x;
            while(st == x) st = ch[rand()%4];
            ansstr += st;
        }
        cerr<<"Test "<<i<<": "<<n<<" "<<ansstr<<endl;
        string verdict = jury(n);
        cerr<<verdict<<endl;
        WAcount += (verdict == "WA");
    }
    cout<<(test - WAcount)<<"/"<<test;
}
*/

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string jury(int)':
combo.cpp:78:13: error: 'ansstr' was not declared in this scope; did you mean 'wcsstr'?
   78 |     if(s == ansstr) return "AC";
      |             ^~~~~~
      |             wcsstr