Submission #936952

#	Time	Username	Problem	Language	Result	Execution time	Memory
936952		MuntherCarrot	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
#include "combo.h"

using namespace std;

// int press(string s)

string guess_sequence(int N){
    srand(time(69));
    string ans;
    int x = rand() % 4;
    if(x == 1){
        ans = "A";
        while((int)ans.size() < N - 1){
            string f = ans + "B" + ans + "XB" + ans + "XX" + ans + "XY";
            // cout << f << endl;
            int res = press(f);
            if(res == (int)ans.size()){
                ans += "Y";
            }
            else if(res == (int)ans.size() + 1){
                ans += "B";
            }
            else{
                ans += "X";
            }
        }
        if(press(ans + "X") == N) ans += "X";
        else if(press(ans + "Y") == N) ans += "Y";
        else ans += "B";
    }
    else if(x == 2){
        cout << "HERE" << endl;
        ans = "B";
        while((int)ans.size() < N - 1){
            string f = ans + "A" + ans + "XA" + ans + "XX" + ans + "XY";
            int res = press(f);
            if(res == (int)ans.size()){
                ans += "Y";
            }
            else if(res == (int)ans.size() + 1){
                ans += "A";
            }
            else{
                ans += "X";
            }
        }
        // cout << ans << endl;
        if(press(ans + "X") == N) ans += "X";
        else if(press(ans + "Y") == N) ans += "Y";
        else ans += "A";
    }
    else if(x == 3){
        ans = "X";
        while((int)ans.size() < N - 1){
            string f = ans + "B" + ans + "AB" + ans + "AA" + ans + "AY";
            int res = press(f);
            if(res == (int)ans.size()){
                ans += "Y";
            }
            else if(res == (int)ans.size() + 1){
                ans += "B";
            }
            else{
                ans += "A";
            }
        }
        if(press(ans + "A") == N) ans += "A";
        else if(press(ans + "Y") == N) ans += "Y";
        else ans += "B";
    }
    else{
        ans = "Y";
        while((int)ans.size() < N - 1){
            string f = ans + "B" + ans + "XB" + ans + "XX" + ans + "XA";
            int res = press(f);
            if(res == (int)ans.size()){
                ans += "A";
            }
            else if(res == (int)ans.size() + 1){
                ans += "B";
            }
            else{
                ans += "X";
            }
        }
        if(press(ans + "X") == N) ans += "X";
        else if(press(ans + "A") == N) ans += "A";
        else ans += "B";
    }
    return ans;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:9:16: error: invalid conversion from 'int' to 'time_t*' {aka 'long int*'} [-fpermissive]
    9 |     srand(time(69));
      |                ^~
      |                |
      |                int
In file included from /usr/include/c++/10/ctime:42,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:49,
                 from combo.cpp:1:
/usr/include/time.h:75:29: note:   initializing argument 1 of 'time_t time(time_t*)'
   75 | extern time_t time (time_t *__timer) __THROW;
      |                     ~~~~~~~~^~~~~~~