Submission #546515

#	Time	Username	Problem	Language	Result	Execution time	Memory
546515		srivatsav_kannan	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include <iostream>
#include <fstream>
#include <vector>
#include <set>
#include <queue>
#include <cmath>
#include <map>
#include <algorithm>
#include <numeric>
#include <stack>
#include <cstring>
#include <bitset>
#include <climits>
#include <valarray>
#include <list>
#include "combo.h"
#define int long long
#define INF 1000000000
#define endl '\n'
#define mod 1000000007
using namespace std;
vector<string> all;
string ar[4] = {"A", "B", "X", "Y"};
void fills(string cur){
    if (cur.size() == 3) all.push_back(cur);
    for (int j = 0; j < 4; j++){
        if (ar[j][0] == cur[0]) continue;
        string temp = cur;
        temp += ar[j][0];
        fills(temp);
    }
}
string guess_sequence(signed n){
    if (n == 3){
        fills("");
        for (int i = 0; i < all.size(); i++) {
            if (press[all[i]] == 3) return all[i];
        }
    }
    string ans;
    for (int i = 0; i < n; i++){
        for (int j = 0; j < 4; j++) {
            if (press(ar[j]) == 1) {
                ans += ar[j];
                break;
            }
        }
    }
    return ans;
}
//signed main(){
//    ios_base::sync_with_stdio(false);
//    cin.tie(0);
//    cout.tie(0);
//
//}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:36:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |         for (int i = 0; i < all.size(); i++) {
      |                         ~~^~~~~~~~~~~~
combo.cpp:37:22: error: no match for 'operator[]' (operand types are 'int(std::string)' {aka 'int(std::__cxx11::basic_string<char>)'} and '__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type' {aka 'std::__cxx11::basic_string<char>'})
   37 |             if (press[all[i]] == 3) return all[i];
      |                      ^