Submission #272030

#	Time	Username	Problem	Language	Result	Execution time	Memory
272030		AKaan37	Lucky Numbers (RMI19_lucky)	C++17	28 / 100	12 ms	13568 KiB

lucky

//Bismillahirrahmanirrahim
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#include <bits/stdc++.h>

using namespace std;

typedef long long lo;
typedef pair< lo,lo > PII;

#define fi first
#define se second
#define int long long
#define mp make_pair
#define endl "\n"
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo inf = 1000000000000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 100002;
const lo mod = 1000000007;

int n,m,b[li],a[li],k,flag,t,dp[li][4][4];
int cev;
string s;
vector<int> v;

inline int add(int x,int y){
	if(x+y>=mod)return x+y-mod;
	return x+y;
}

inline int f(int sira,int kucuk,int bir){
	int cevv=0;
	if(sira==n)return 1;
	if(~dp[sira][kucuk][bir])return dp[sira][kucuk][bir];
	for(int i=0;i<=s[sira]-'0';i++){
		if(bir && i==3)continue;
		cevv=add(cevv,f(sira+1,(i<s[sira]-'0'?1:kucuk),(i==1?1:0)));
	}
	if(kucuk){
		for(int i=s[sira]-'0'+1;i<=9;i++){
			if(bir && i==3)continue;
			cevv=add(cevv,f(sira+1,(i<s[sira]-'0'?1:kucuk),(i==1?1:0)));
		}
	}
	return dp[sira][kucuk][bir]=cevv;
}

main(void){
	fio();
	memset(dp,-1,sizeof(dp));
	cin>>n>>t;
	cin>>s;
	cout<<f(0,0,0)<<endl;
	while(t--){
		int x,y,z;
		cin>>z>>x>>y;
		n=y-1;
		cout<<f(x-1,0,0)<<endl;
	}
	return 0;
}

Compilation message (stderr)

lucky.cpp:57:10: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   57 | main(void){
      |          ^

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