Submission #755719

# Submission time Handle Problem Language Result Execution time Memory
755719 2023-06-10T15:22:47 Z ElyesChaabouni A Huge Tower (CEOI10_tower) C++17
45 / 100
409 ms 262144 KB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define vi vector<int>
#define ve vector
#define ll long long
#define vl vector<ll>
#define vll vector<pair<ll,ll>>
#define onbit __builtin_popcount
#define ii pair<int,int>
#define vvi vector<vi>
#define vii vector<ii>
#define gii greater<ii>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF 1e18
#define eps 1e-7
#define eps1 1e-2
#define optimise ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define MAX_A 1e5+5
using namespace std;
using namespace __gnu_pbds;
template <class T>
using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const ll MOD = 1e9+9;
const int nax = 1e3+5;
const int MAX_VAL = 1e6;
double PI=3.14159265359;
int arx[8]={1,1,0,-1,-1,-1, 0, 1};
int ary[8]={0,1,1, 1, 0,-1,-1,-1};
void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}
int main(){
    optimise;
   
    //setIO("redistricting");
    int n,d;
    cin>>n>>d;
    int tab[n];
    for (int i = 0; i < n; ++i)
    {
        cin>>tab[i];
    }
    ll dp[(1<<n)][n];
    memset(dp,0,sizeof dp);
    for (int i = 0; i < n; ++i)
    {
        dp[(1<<i)][i]=1;
    }
    for (int i = 2; i < (1<<n); ++i)
    {
        for (int j = 0; j < n; ++j)
        {
            if (i&(1<<j)){
                int prev=i-(1<<j);
                for (int k = 0; k < n; ++k)
                {
                    if (prev&(1<<k)){
                        if (tab[k]-tab[j]>=-d){
                            dp[i][j]+=dp[prev][k];
                            dp[i][j]%=MOD;
                        }
                    }
                }
            }
        }     
    }
    ll res=0;
    for (int i = 0; i < n; ++i)
    {
        res+=dp[(1<<n)-1][i];
        res%=MOD;
    }cout<<res<<endl;
}

Compilation message

tower.cpp: In function 'void setIO(std::string)':
tower.cpp:33:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tower.cpp:34:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 704 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 1152 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 18 ms 4052 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 79 ms 17748 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 409 ms 78268 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 19 ms 4052 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 81 ms 17732 KB Output is correct
# Verdict Execution time Memory Grader output
1 Runtime error 101 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 154 ms 208380 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 112 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 4 ms 4436 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 106 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 101 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 105 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 120 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 71 ms 15260 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -