Submission #576274

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
5762742022-06-12 21:48:41keta_tsimakuridzeTeleporters (IOI08_teleporters)C++17
85 / 100
766 ms65536 KiB
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define f first
#define s second
#define endl "\n"
const int N = 2e6 + 5, M = 2e6, mod = 1e9 + 7; //!
int t, vis[N];
pii to[N];
main() {
// ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
int n, m;
cin >> n >> m;
for(int i = 0; i <= M - 1; i++) to[i] = {i + 1, 0};
for(int i = 1; i <= n; i++) {
int l, r;
cin >> l >> r;
to[l - 1] = {r, 1};
to[r - 1] = {l, 1};
}
multiset<int> s;
int init = 0;
for(int i = 0; i <= M; i++) {
if(!vis[i]) {
int cn = 0, x = i;
while(!vis[x]) {
cn += to[x].s;
vis[x] = 1;
 
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Compilation message (stderr)

teleporters.cpp:11:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   11 | main() {
      | ^~~~
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