Submission #988685

#	Time	Username	Problem	Language	Result	Execution time	Memory
988685		Mighilon	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
#include <combo.h>
using namespace std;
 
#ifdef DEBUG
#include "../Library/debug.h"
#else
#define dbg(x...)
// #define cin fin
// #define cout fout
// const string FILE_NAME = ""; ifstream fin(FILE_NAME + ".in"); ofstream fout(FILE_NAME + ".out");
#endif
 
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl; 
 
#define FOR(i, a, b) for (int i = (a); i < (b); ++i)
#define F0R(i, a) for (int i = 0; i < (a); ++i)
#define FORd(i, a, b) for (int i = (b) - 1; i >= (a); --i)
#define F0Rd(i, a) for (int i = (a) - 1; i >= 0; --i)
#define trav(a, x) for (auto& a : x)
#define f first 
#define s second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) x.begin(), x.end()
 
const char nl = '\n';
const int INF = 1e9;
const int MOD = 1e9 + 7;
 
string guess_sequence(int n){
    string s = "";
    string d = "ABXY";
    bool dv[4];
    F0R(i, 4){
        if(press(d[i])){
            dv[i] = true;
            s.pb(d[i]);
            break;
        }
    }
    FOR(i, 1, n){
        F0R(j, 4){
            if(dv[i] == false && press(string(s + d[i])) == i + 1){
                s.pb(d[i]);
                break;
            }
        }
    }
    return s;
}
 
/*
void solve(){
}
 
int32_t main(){
    ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    
    int TC = 1;
    // cin >> TC;
    while(TC--){
        solve();
    }
    return 0;
}
 
*/

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:43:22: error: could not convert 'd.std::__cxx11::basic_string<char>::operator[](((std::__cxx11::basic_string<char>::size_type)i))' from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to 'std::string' {aka 'std::__cxx11::basic_string<char>'}
   43 |         if(press(d[i])){
      |                      ^
      |                      |
      |                      __gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type {aka char}