Submission #701676

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
701676	2023-02-21 23:06:54	angelo_torres	Nice sequence (IZhO18_sequence)	C++17	100 / 100	1203 ms	84624 KiB

sequence

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#include <bits/stdc++.h>
#define sz(v) (ll) v.size()
#define ff first
#define ss second
using namespace std;
typedef long long ll;
const ll mod = 998244353;
const ll N = 6e5 + 20;
ll sum(ll a,ll b){ return (a+b)%mod; }
ll mul(ll a,ll b){ return (a*b)%mod; }
ll res(ll a,ll b){ return (a-b+mod)%mod; }
int n,m,r[N];
vector<int> g[N];
bool c = 0;
void dfs(int v){
  r[v] = 1;
  for(auto u : g[v]){
    if(r[u] == 1) c = 1;
    if(!r[u]) dfs(u);
  }
  r[v] = 2;
}
bool go(int k){
  c = 0;
  for(int i = 0; i <= k; ++i){
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 9 / 9
• Subtask 3: 14 / 14
• Subtask 4: 15 / 15
• Subtask 5: 14 / 14
• Subtask 6: 18 / 18
• Subtask 7: 24 / 24