oj.uz

Submission #933723

# Submission time Handle Problem Language Result Execution time Memory
933723 2024-02-26T07:51:30 Z Whisper Kitchen (BOI19_kitchen) C++17
21 / 100
 26 ms 1196 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

#define int long long
#define FOR(i, a, b) for ( int i = a ; i <= b ; i++ )
#define FORD(i, a, b) for (int i = b; i >= a; i --)
#define REP(i, n) for (int i = 0; i < n; ++i)
#define REPD(i, n) for (int i = n - 1; i >= 0; --i)
#define pii pair<int , int>
#define Lg(x) 31 - __builtin_clz(x)

#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)

constexpr ll LINF = (1ll << 60);
constexpr int INF = (1ll << 30);
constexpr int MAX = 3e2 + 5;
constexpr int Mod = 1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

void setupIO(){
    #define name "Whisper"
    //Phu Trong from Nguyen Tat Thanh High School for gifted student
    srand(time(NULL));
    cin.tie(nullptr)->sync_with_stdio(false); cout.tie(nullptr);
    //freopen(name".inp", "r", stdin);
    //freopen(name".out", "w", stdout);
    cout << fixed << setprecision(10);
}

template <class X, class Y>
    bool minimize(X &x, const Y &y){
        X eps = 1e-9;
        if (x > y + eps) {x = y; return 1;}
        return 0;
    }

template <class X, class Y>
    bool maximize(X &x, const Y &y){
        X eps = 1e-9;
        if (x + eps < y) {x = y; return 1;}
        return 0;
    }

int nMeal, nChef, numNeed;
int a[MAX], b[MAX];
int sum = 0;

int dp[MAX * MAX];
void Whisper(){
    cin >> nMeal >> nChef >> numNeed;
    for (int i = 1; i <= nMeal; ++i) cin >> a[i], sum += a[i];
    for (int i = 1; i <= nChef; ++i) cin >> b[i];

    if (*min_element(a + 1, a + nMeal + 1) < numNeed || nChef < numNeed) return void(cout << "Impossible");
    memset(dp, -0x3f, sizeof dp);
    dp[0] = 0;
    for (int i = 1; i <= nChef; ++i){
        for (int v = 301 * 301; v >= b[i]; --v){
            maximize(dp[v], dp[v - b[i]] + min(nMeal, b[i]));
        }
    }
    int ret = 1e9;
    for (int i = sum; i <= 301 * 301; ++i){
        if (dp[i] >= nMeal * numNeed){
            cout << i - sum; return;
        }
    }
}


signed main(){
    setupIO();
    int Test = 1;
//    cin >> Test;
    for ( int i = 1 ; i <= Test ; i++ ){
        Whisper();
        if (i < Test) cout << '\n';
    }
}

Compilation message

kitchen.cpp: In function 'void Whisper()':
kitchen.cpp:65:9: warning: unused variable 'ret' [-Wunused-variable]
   65 |     int ret = 1e9;
      |         ^~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Incorrect 1 ms 1116 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Incorrect 1 ms 1116 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 1116 KB Output is correct
2 Correct 16 ms 1112 KB Output is correct
3 Correct 22 ms 1196 KB Output is correct
4 Correct 26 ms 1112 KB Output is correct
5 Incorrect 22 ms 1116 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1112 KB Output is correct
2 Correct 3 ms 1116 KB Output is correct
3 Correct 3 ms 1116 KB Output is correct
4 Correct 3 ms 1116 KB Output is correct
5 Correct 1 ms 344 KB Output is correct

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Incorrect 1 ms 1116 KB Output isn't correct
9 Halted 0 ms 0 KB -