Submission #1290353

#TimeUsernameProblemLanguageResultExecution timeMemory
1290353antarbanikFinding Routers (IOI20_routers)C++20
Compilation error
0 ms0 KiB
#include "routers.h" #include<bits/stdc++.h> using namespace std; #define int long long #define yes cout << "YES\n"; #define nl cout << endl; #define no cout << "NO\n"; #define all(x) x.begin(), x.end() #define allr(x) x.rbegin(), x.rend() #define pb push_back #define ppb pop_back // #define mp make_pair #define ff first #define ss second #define st string #define fr(i, x, y) for (int i = x; i < y; i++) #define FAST ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); // #define MAX 1e18 // #define MIN -1e18 #ifndef ONLINE_JUDGE #define debug(x) cerr << setw(15) << left << #x << ": "; _print(x); cerr << endl; #define del cerr << '\n'; #else #define debug(x) #define del #endif void _print(int t) {cerr << t;} void _print(string t) {cerr << t;} void _print(char t) {cerr << t;} template <typename T, typename V> void _print(const pair<T, V>& p) {cerr << '{'; _print(p.first); cerr << ", "; _print(p.second); cerr << '}';} template <typename T> void _print(const vector<T>& v) {cerr << '['; for (size_t i = 0; i < v.size(); ++i) {_print(v[i]); if (i != v.size() - 1) cerr << ", ";} cerr << ']';} template <typename T> void _print(const set<T>& s) {cerr << '{'; bool first = true; for (const auto& x : s) {if (!first) cerr << ", "; _print(x); first = false;} cerr << '}';} template <typename T> void _print(const multiset<T>& s) {cerr << '{'; bool first = true; for (const auto& x : s) {if (!first) cerr << ", "; _print(x); first = false;} cerr << '}';} template <typename T, typename V> void _print(const map<T, V>& m) {cerr << '{'; bool first = true; for (const auto& kv : m) {if (!first) cerr << ", "; _print(kv); first = false;} cerr << '}';} int power(int n, int k){int result = 1;while (k > 0) {if (k & 1) {result = (result * n);}n = (n * n);k >>= 1;}return result;} int gcd(int a, int b) {if (b > a) {return gcd(b, a);} if (b == 0) {return a;} return gcd(b, a % b);} int lcm(int a, int b) {return (a / __gcd(a, b)) * b;} // bool isPrime(int n) {if (n <= 1) return false;if (n == 2) return true;if (n % 2 == 0) return false;for (int i = 3; i * i <= n; i += 2) {if (n % i == 0) return false;}return true;} /* i need to find the positions of all the routers i can ask x, it'll return the closest router to x */ // use_detector const int N = 1e5+10; bool done[N]; vector<int> find_routers(int l, int n, int q){ vector<int> ans; for(int i = 0;i<=1e5;++i){ int x = use_detector(i); if(!done[x]){ ans.pb(x); done[x] = 1; } if(ans.size() == 2) return ans; } } // void solve(){ // } // int32_t main() { // FAST // #ifndef ONLINE_JUDGE // freopen("error.txt", "w", stderr); // #endif // int t = 1; // // cin >> t; // while (t--) { // solve(); // cout << endl; // } // }

Compilation message (stderr)

routers.cpp: In function 'std::vector<long long int> find_routers(long long int, long long int, long long int)':
routers.cpp:89:1: warning: control reaches end of non-void function [-Wreturn-type]
   89 | }
      | ^
/usr/bin/ld: /tmp/ccdHoHjt.o: in function `main':
grader.cpp:(.text.startup+0x20b): undefined reference to `find_routers(int, int, int)'
collect2: error: ld returned 1 exit status