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Submission #726805

# Submission time Handle Problem Language Result Execution time Memory
726805 2023-04-19T11:40:20 Z shadow_sami Palindrome-Free Numbers (BOI13_numbers) C++17
12.5 / 100
 1000 ms 328 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long int ll;
typedef vector<ll> vi;
typedef vector<vector<ll>> vvi;
typedef pair<ll,ll> pi;
typedef map<ll,ll> mi;
typedef long double ld;
typedef vector<ld> vd;
typedef vector<vector<ld>> vvd;
typedef pair<ld,ld> pd;
#define ff first
#define ss second
#define srt(a) sort(a.begin(),a.end());
#define fip(k, n) for (ll i = k; i < n; i++)
#define fjp(k, n) for (ll j = k; j < n; j++)
#define fin(k, n) for (ll i = k; i >= n; i--)
#define fjn(k, n) for (ll j = k; j >= n; j--)
#define fp(k, n, m) for (ll k = n; k < m; k++)
#define fn(k, n, m) for (ll k = n; k >= m; k--)
#define ordered_set tree<pi, null_type,less< pi >, rb_tree_tag,tree_order_statistics_node_update>
#define totalOne(n) __builtin_popcount(n)
#define backZero(n) __builtin_ctzll(n)
#define frontZero(n) __builtin_clzll(n)
#define fx(k) for ( auto x : k )
#define test ll t;cin >> t;while (t--)
#define nli "\n"

// ==========================(debug)============================================================================================== //

#ifndef ONLINE_JUDGE
#define debug(x) cerr << #x <<" "; _printn(x); cerr << nli;
#else
#define debug(x)
#endif

void _printn(ll x){ cerr<<x<<" "; }
void _printn(int x){ cerr<<x<<" "; }
void _printn(ld x){ cerr<<x<<" "; }
void _printn(double x){ cerr<<x<<" "; }
void _printn(string x){ cerr<<x<<" "; }
void _printn(char x){ cerr<<x<<" "; }
void _printn(bool x){ cerr<<x<<" "; }
template<class T,class V>void _printn(pair<T,V> vv);
template<class T> void _printn(vector<T> vv);
template<class T> void _printn(set<T> vv);
template<class T,class V> void _printn(map<T,V> vv);
template<class T> void _printn(multiset<T> vv);
template<class T,class V>void _printn(pair<T,V> vv){ cerr<<"( ";_printn(vv.ff);cerr<<",";_printn(vv.ss);cerr<<")";}
template<class T> void _printn(vector<T> vv){ cerr<<"[ "; for(auto xx:vv){ _printn(xx);cerr<<" "; } cerr<<"]"; };
template<class T> void _printn(set<T> vv){ cerr<<"{ "; for(auto xx:vv){ _printn(xx);cerr<<" "; } cerr<<"}"; };
template<class T> void _printn(multiset<T> vv){ cerr<<"{ "; for(auto xx:vv){ _printn(xx);cerr<<" "; } cerr<<"}"; };
template<class T,class V> void _printn(map<T,V> vv){ cerr<<"{ "; for(auto xx:vv){ _printn(xx);cerr<<" "; } cerr<<"}"; };

// ==========================(debug)============================================================================================== //

ll n,m,tp,tp2,res,cnt,sum,tptp,ans;
const ll mx = 15;
const ll mod = 1e9+7;

// ==========================(MOD)=============================================================================================== //

ll mod_add(ll aa,ll bb){ return ((aa%mod)+(bb%mod))%mod; }
ll mod_minus(ll aa,ll bb){ return (((aa%mod)-(bb%mod))+10*mod)%mod; }
ll mod_mul(ll aa,ll bb){ return ((aa%mod)*(bb%mod))%mod; }
ll mod_power(ll aa,ll bb){ aa%=mod; ll empowered = 1; bb%=mod-1; while(bb > 0){ if(bb & 1) empowered = mod_mul(empowered,aa); bb = bb >> 1; aa = mod_mul(aa,aa); } return empowered; }
ll mod_divi(ll aa,ll bb){ aa=mod_mul(aa,mod_power(bb,mod-2)); return aa; }

// ==========================(MOD)=============================================================================================== //

bool f = false;
string k1,k2;
ll dp[mx][mx];

ll lcs(ll ptr1,ll ptr2){
	if(ptr1 == 0 || ptr2 == 0)
		return 0;
	if(dp[ptr1][ptr2]!=-1)
		return dp[ptr1][ptr2];
	if(k1[ptr1-1] == k2[ptr2-1])
		return dp[ptr1][ptr2] = 1 + lcs(ptr1-1,ptr2-1);
	else
		return dp[ptr1][ptr2] = max(lcs(ptr1,ptr2-1),lcs(ptr1-1,ptr2));
}

bool calc(){
	memset(dp,-1,sizeof(dp));
	tptp = lcs(tp,tp);
	return (tptp<2);
}

int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    // #ifndef ONLINE_JUDGE
    //     freopen("input1.txt", "r", stdin);
    //     freopen("output1.txt", "w", stdout);
    //     freopen("error1.txt", "w", stderr);
    // #endif // ONLINE_JUDGE

        cin>>n>>m;
        cnt = 0;
        fip(n,m+1){
        	k1 = to_string(i);
        	k2 = k1;
        	reverse(k2.begin(),k2.end());
        	tp = k2.size();
        	if(calc())
        		cnt++;
        }
        cout<<cnt<<nli;
        
    // cerr << "Time elapsed: " << setprecision(6) << 1000.0 * clock() / CLOCKS_PER_SEC << "ms\n";
    return 0;
}

Subtask #1
12.5 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Incorrect 15 ms 212 KB Output isn't correct
4 Incorrect 21 ms 212 KB Output isn't correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Incorrect 1 ms 212 KB Output isn't correct
12 Incorrect 1 ms 212 KB Output isn't correct
13 Correct 1 ms 212 KB Output is correct
14 Incorrect 21 ms 320 KB Output isn't correct
15 Incorrect 21 ms 212 KB Output isn't correct
16 Incorrect 2 ms 324 KB Output isn't correct
17 Incorrect 10 ms 324 KB Output isn't correct
18 Correct 1 ms 212 KB Output is correct
19 Incorrect 16 ms 324 KB Output isn't correct
20 Incorrect 21 ms 328 KB Output isn't correct

Subtask #2
0 / 75.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1080 ms 212 KB Time limit exceeded
2 Execution timed out 1061 ms 212 KB Time limit exceeded
3 Execution timed out 1071 ms 212 KB Time limit exceeded
4 Execution timed out 1073 ms 212 KB Time limit exceeded
5 Execution timed out 1079 ms 212 KB Time limit exceeded
6 Execution timed out 1071 ms 212 KB Time limit exceeded
7 Execution timed out 1078 ms 212 KB Time limit exceeded
8 Incorrect 777 ms 300 KB Output isn't correct
9 Execution timed out 1080 ms 212 KB Time limit exceeded
10 Execution timed out 1048 ms 212 KB Time limit exceeded
11 Execution timed out 1076 ms 212 KB Time limit exceeded
12 Execution timed out 1084 ms 212 KB Time limit exceeded
13 Execution timed out 1075 ms 212 KB Time limit exceeded
14 Execution timed out 1078 ms 212 KB Time limit exceeded
15 Execution timed out 1084 ms 212 KB Time limit exceeded
16 Execution timed out 1071 ms 212 KB Time limit exceeded
17 Execution timed out 1082 ms 212 KB Time limit exceeded
18 Execution timed out 1079 ms 212 KB Time limit exceeded
19 Execution timed out 1078 ms 212 KB Time limit exceeded
20 Execution timed out 1048 ms 212 KB Time limit exceeded
21 Execution timed out 1059 ms 212 KB Time limit exceeded
22 Execution timed out 1073 ms 212 KB Time limit exceeded
23 Execution timed out 1072 ms 212 KB Time limit exceeded
24 Execution timed out 1071 ms 212 KB Time limit exceeded
25 Execution timed out 1066 ms 212 KB Time limit exceeded
26 Execution timed out 1077 ms 212 KB Time limit exceeded
27 Execution timed out 1070 ms 212 KB Time limit exceeded
28 Execution timed out 1076 ms 212 KB Time limit exceeded
29 Execution timed out 1078 ms 212 KB Time limit exceeded
30 Execution timed out 1088 ms 212 KB Time limit exceeded
31 Execution timed out 1042 ms 212 KB Time limit exceeded
32 Execution timed out 1065 ms 212 KB Time limit exceeded
33 Execution timed out 1065 ms 212 KB Time limit exceeded
34 Execution timed out 1074 ms 212 KB Time limit exceeded
35 Execution timed out 1083 ms 212 KB Time limit exceeded
36 Execution timed out 1035 ms 212 KB Time limit exceeded
37 Execution timed out 1068 ms 212 KB Time limit exceeded
38 Execution timed out 1065 ms 212 KB Time limit exceeded
39 Execution timed out 1074 ms 212 KB Time limit exceeded
40 Execution timed out 1072 ms 212 KB Time limit exceeded
41 Execution timed out 1085 ms 212 KB Time limit exceeded
42 Execution timed out 1074 ms 212 KB Time limit exceeded
43 Execution timed out 1063 ms 212 KB Time limit exceeded
44 Execution timed out 1081 ms 212 KB Time limit exceeded
45 Execution timed out 1082 ms 212 KB Time limit exceeded