Submission #1214566

#	Time	Username	Problem	Language	Result	Execution time	Memory
1214566		exoworldgd	The Big Prize (IOI17_prize)	C++20	Compilation error	0 ms	0 KiB

prize

#include <bits/stdc++.h>
using namespace std;
map<int,vector<int>> mp;
vector<int> q(int idx) {
    if (mp.find(idx) != mp.end()) return mp[pos];
    vector<int> res = ask(pos);
    mp[pos] = res;
    return res;
}
int find_best(int n) {
    mp.clear();
    int l = 0, r = n-1;
    while (l <= r) {
        int m = l+(r-l)/2;
        vector<int> res = q(m);
        int ll = res[0], rr = res[1];
        if (ll+rr == n-1) return m;
        if (ll>rr) r = m-1;
        else l = m+1;
    }
    for (int i = 0; i < n; i++) {
        vector<int> res = query(i);
        if (res[0]+res[1] == n-1) return i;
    }
    return 0;
}

Compilation message (stderr)

prize.cpp: In function 'std::vector<int> q(int)':
prize.cpp:5:45: error: 'pos' was not declared in this scope; did you mean 'pow'?
    5 |     if (mp.find(idx) != mp.end()) return mp[pos];
      |                                             ^~~
      |                                             pow
prize.cpp:6:27: error: 'pos' was not declared in this scope; did you mean 'pow'?
    6 |     vector<int> res = ask(pos);
      |                           ^~~
      |                           pow
prize.cpp:6:23: error: 'ask' was not declared in this scope
    6 |     vector<int> res = ask(pos);
      |                       ^~~
prize.cpp: In function 'int find_best(int)':
prize.cpp:22:27: error: 'query' was not declared in this scope
   22 |         vector<int> res = query(i);
      |                           ^~~~~