Submission #709020

# Submission time Handle Problem Language Result Execution time Memory
709020 2023-03-13T04:18:44 Z vjudge1 Domino (COCI15_domino) C++17
10 / 160
521 ms 329796 KB
#include "bits/stdc++.h"
using namespace std;

// #define ORD_SET
// #define ROPE
#ifdef ORD_SET
    #include <ext/pb_ds/assoc_container.hpp>
    #include <ext/pb_ds/tree_policy.hpp>
    using namespace __gnu_pbds;
    template<typename T>
    using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#endif
#ifdef ROPE
    #include <ext/rope>
    using namespace __gnu_cxx;
#endif        

// #pragma comment(linker, "/stack:200000000")
// #pragma GCC optimize("Ofast")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")

using ll = long long;
using ld = long double;
#define pb push_back
#define ff first
#define ss second
#define sz(x) (ll)(x).size()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
// #define ll int
void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
void NotInteractive() { ios_base::sync_with_stdio(false); cin.tie(NULL); }
void pre(ll a) { cout<<fixed<<setprecision(a); }
ll bit(ll a) { return __builtin_popcountll(a); }
ll binmul(ll a, ll b, ll c) { ll res = 0; while(b) { if(b&1) (res += a) %= c; (a += a) %= c; b >>= 1; } return res; }
ll binpow(ll a, ll b, ll c) { ll res = 1; while(b) { if(b&1) (res *= a) %= c; (a *= a) %= c; b >>= 1; } return res; }
template<typename T> T gcd(T a, T b) { if(b==0) return a; return gcd(b, a%b); }
template<typename T> T lcm(T a, T b) { return a/gcd(a, b)*b; }
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ld rnd() { return rng()%INT_MAX*1.0/INT_MAX; }

struct sn { ll l, r, x; };
ll B = 316;
const ll mod = 1e9+7;
const ll inf = 1e18+7;
const ll MX = LLONG_MAX;
const ll MN = LLONG_MIN;
const ld P = acos(-1.0);
const ll N = 3e5+5;
ll a[2005][2005], dp[2005][2005][9];

void kigash() {
    ll n, k, sum = 0;
    cin>>n>>k;
    for(ll i=1; i<=n; i++) {
        for(ll j=1; j<=n; j++) {
            cin>>a[i][j];
            sum += a[i][j];
        }
    }
    for(ll i=1; i<=n; i++) {
        for(ll j=1; j<=n; j++) {
            for(ll l=0; l<=k; l++) dp[i][j][l] = max(dp[i-1][j][l], dp[i][j-1][l]);
            if(j>1) {
                for(ll l=1; l<=k; l++) {
                    ll sum = dp[i][j-2][l-1]+dp[i-1][j][l-1]-dp[i-1][j-2][l-1];
                    // cout<<sum<<" ";
                    dp[i][j][l] = max(dp[i][j][l], sum+a[i][j]+a[i][j-1]);
                }
            }
            if(i>1) {
                for(ll l=1; l<=k; l++) {
                    ll sum = dp[i][j-1][l-1]+dp[i-2][j][l-1]-dp[i-2][j-1][l-1];
                    // cout<<sum<<" ";
                    dp[i][j][l] = max(dp[i][j][l], sum+a[i][j]+a[i-1][j]);
                }
            }
        }
    }
    ll mx = 0;
    for(ll i=1; i<=k; i++) mx = max(mx, dp[n][n][i]);
    cout<<sum-mx<<"\n";
    return;
}

signed main(/*Kigash Amir*/) {
    // freopen("");
    NotInteractive();
    // precalc();
    
    ll tt = 1;
    // cin>>tt;
    for(ll i=1; i<=tt; i++) kigash();
    
    exit(0);
}

Compilation message

domino.cpp: In function 'void freopen(std::string)':
domino.cpp:31:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 | void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
      |                          ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
domino.cpp:31:73: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 | void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
      |                                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 29 ms 24404 KB Output is correct
2 Correct 29 ms 24352 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 852 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 405 ms 314536 KB Output is correct
2 Incorrect 436 ms 329796 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 464 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 242 ms 189552 KB Output is correct
2 Incorrect 219 ms 194980 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 137 ms 87884 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 430 ms 315284 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 852 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 486 ms 315320 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 1876 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 521 ms 315360 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 1236 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 129 ms 87976 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 512 ms 315368 KB Output isn't correct
2 Halted 0 ms 0 KB -