Submission #927201

#	Time	Username	Problem	Language	Result	Execution time	Memory
927201		vjudge1	Hotter Colder (IOI10_hottercolder)	C++11	Compilation error	0 ms	0 KiB

hottercolder

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

void Guess(int n) {
    cout << "Guess(" << n << ")";
    int res;
    cin >> res;
    return res;
}

void HC(int n) {
    int l = 1, r = n, mid;
    int last = n;
    Guess(n);
    while(true) {
        mid = (l + r) >> 1;
        int g = Guess(mid);
        if(g == 1) {
            r = mid;
        } else if(g == -1) {
            l = mid;
        } else {
            cout << (last - mid) / 2;
            return;
        }
        last = mid;
    }
}

Compilation message (stderr)

hottercolder.cpp: In function 'void Guess(int)':
hottercolder.cpp:8:12: error: return-statement with a value, in function returning 'void' [-fpermissive]
    8 |     return res;
      |            ^~~
hottercolder.cpp: In function 'void HC(int)':
hottercolder.cpp:17:22: error: void value not ignored as it ought to be
   17 |         int g = Guess(mid);
      |                 ~~~~~^~~~~