Submission #1110353

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1110353	2024-11-09 09:59:57	mychecksedad	Keys (IOI21_keys)	C++17	Compilation error	0 ms	0 KiB

keys

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/* Author : Mychecksdead  */
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
#define ff first
#define ss second
#define pii pair<int,int>
#define vi vector<int>
const int N = 1e6+100, M = 800+10, K = 52, MX = 30;
struct Dsu {
  vector<int> s, p;
  int sz;
  Dsu(int n){
    sz = n;
    s.resize(n+1, 1);
    p.resize(n+1);
    for(int i = 0; i <= n; ++i) p[i] = i;
  }
  int find(int v){
    if(p[v] == v) return v;
    return (p[v] = find(p[v]));
  }
  void merge(int a, int b){
 
 
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Compilation message (stderr)

keys.cpp: In function 'void solve()':
keys.cpp:142:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  142 |     for(int i = 0; i < s.length(); ++i){
      |                    ~~^~~~~~~~~~~~
keys.cpp: In function 'int main()':
keys.cpp:203:15: warning: unused variable 'aa' [-Wunused-variable]
  203 |   int tt = 1, aa;
      |               ^~
/usr/bin/ld: /tmp/ccNJT4QK.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cczMQdWL.o:keys.cpp:(.text.startup+0x4a0): first defined here
/usr/bin/ld: /tmp/ccNJT4QK.o: in function `main':
grader.cpp:(.text.startup+0x30a): undefined reference to `find_reachable(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status