Submission #331443

#	Time	Username	Problem	Language	Result	Execution time	Memory
331443		Sho10	Lucky Numbers (RMI19_lucky)	C++14	14 / 100	1099 ms	30316 KiB

lucky

#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho10
#define ll long long
#define double long double
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define all(a) (a).begin(), (a).end()
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define pi pair
#define rc(s) return cout<<s,0
#define endl '\n'
#define mod 1000007
#define PI 3.14159265359
#define MAXN 100005
#define INF 1000000005
#define LINF 1000000000000000005ll
#define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
int n,pref[10000005],viz[1000005],nr[10000005];
int32_t main(){
CODE_START;
int n,q;
cin>>n>>q;
cin>>n;
pref[1000]=980;
pref[10000]=9701;
pref[100000]=96030;
pref[1000000]=950599;
ll start=1;
if(n>=1000000){
start=1000000;
}else if(n>=100000){
start=100000;
}else if(n>=10000){
start=10000;
}else if(n>=1000){
start=1000;
}
for(int i=start+1;i<=n;i++)
{
pref[i]=pref[i-1];
int x=i;
vector<int>v;
while(x){
    v.pb(x%10);
    x/=10;
}
reverse(v.begin(),v.end());
int check=1;
for(int i=0;i<v.size();i++)
if(i+1<v.size()){
    if(v[i]==1&&v[i+1]==3){
check=0;
break;
    }
}
pref[i]+=check;
}
cout<<pref[n]+1<<endl;
}

Compilation message (stderr)

lucky.cpp: In function 'int32_t main()':
lucky.cpp:52:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 | for(int i=0;i<v.size();i++)
      |             ~^~~~~~~~~
lucky.cpp:53:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 | if(i+1<v.size()){
      |    ~~~^~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 0 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 27
• Subtask 5: 0 / 9
• Subtask 6: 0 / 27