Submission #1133957

#	Time	Username	Problem	Language	Result	Execution time	Memory
1133957		KasymK	Nice sequence (IZhO18_sequence)	C++17	100 / 100	280 ms	41396 KiB

sequence

#include "bits/stdc++.h"
using namespace std;
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define ll long long
#define pb push_back
#define pii pair<int, int>
#define pli pair<ll, int>
#define pll pair<ll, ll>
#define tr(i, c) for(auto i = c.begin(); i != c.end(); ++i)
#define wr puts("----------------")
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
const int N = 4e5+5;
int v[N], tin, k, n, m;

void dfs(int x){
    if(x+n<=k and !v[x+n])
        dfs(x+n);
    if(x>=m and !v[x-m])
        dfs(x-m);
    v[x]=++tin;
    return;
}

void solve(){
    scanf("%d%d", &n, &m);
    tin=0;
    for(int i = 0; i <= n+m; ++i)
        v[i]=0;
    k=n+m-__gcd(n, m)-1;
    for(int i = 0; i <= k; ++i)
        if(!v[i])
            dfs(i);
    printf("%d\n", k);
    if(k==0)
        return;
    for(int i = 1; i <= k; ++i)
        printf("%d ", v[i]-v[i-1]);
    puts("");
}

int main(){
    int tt;
    scanf("%d", &tt);
    while(tt--)
        solve();
    return 0;
}

Compilation message (stderr)

sequence.cpp: In function 'void solve()':
sequence.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |     scanf("%d%d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~
sequence.cpp: In function 'int main()':
sequence.cpp:46:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |     scanf("%d", &tt);
      |     ~~~~~^~~~~~~~~~~

• 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