Submission #1141933

#	Time	Username	Problem	Language	Result	Execution time	Memory
1141933		FZ_Laabidi	Combo (IOI18_combo)	C++20	Compilation error	0 ms	0 KiB

combo

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

string guess_sequence(int N) {
    if(N==3){
        vector<string> u={"A", "B", "X", "Y"};
        int coin = 0, k=1;
        while(coin==0){
            coin = press(u[i]);
            k++;
        }
        k--;
        string p = "";
        p+=(u[k]);
        u[i]="1";
        sort(u.begin(), u .end());
        for(int i=1; i<N; i++){
            for(int j = 1; j<4; j++){ 
                    coin =press(p+u[j]);
                    if(coin==i)continue;
                    p+=u[j];
                    break;    
            }
        }
        return p;
    }
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:11:28: error: 'i' was not declared in this scope
   11 |             coin = press(u[i]);
      |                            ^
combo.cpp:17:11: error: 'i' was not declared in this scope
   17 |         u[i]="1";
      |           ^
combo.cpp:29:1: warning: control reaches end of non-void function [-Wreturn-type]
   29 | }
      | ^