Submission #93176

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
93176	2019-01-06 19:17:58	Vardanyan	Nice sequence (IZhO18_sequence)	C++14	0 / 100	17 ms	8184 KiB

sequence

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#include <bits/stdc++.h>
using namespace std;
const int N = 1000*1000+5;
int pref[N];
int col[N];
int now = N;
int n,m;
int len;
void dfs(int v){
    col[v] = 1;
    if(v == 0){
        now = -1;
    }
    else{
        pref[v] = now;
        now--;
    }
  if(v-m>=0)  dfs(v-m);
  if(v+n<=len)  dfs(v+n);
}
bool check(int v){
    col[v] = 1;
    for(int i = 0;i<2;i++){
        int to = -1;
        if(i == 0 && v-m>=0) to = v-m;
        else if(i == 1 && v+n<=len) to = v+n;
        if(to == -1) continue;
        if(!col[to]){
            if(check(to)) return true;
        }
 
 
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