oj.uz

답안 #1019728

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1019728 2024-07-11T08:19:47 Z NoLove Happiness (Balkan15_HAPPINESS) C++14
40 / 100
 356 ms 47584 KB 
/**
 *    author : Lăng Trọng Đạt
 *    created: 11-07-2024 
**/
#include <bits/stdc++.h>
#include "happiness.h"
using namespace std;
#ifndef LANG_DAT
#define db(...) ;
#endif // LANG_DAT
#define mp make_pair
#define f first
#define se second
#define pb push_back
#define all(v) (v).begin(), (v).end()
using pii = pair<int, int>;
using vi = vector<int>;
#define FOR(i, a, b) for (int (i) = a; (i) <= (b); i++)
// void mx(int& a, int b) { if (b > a) a = b; }
void mi(int& a, int b) { if (b < a) a = b; }
#define si(x) (int)(x.size())
const int INF = 1e18;
const int MOD = 1e9 + 7;

#define ll long long
const int MAXN = 1e7 + 5;
struct Node {
    ll sum, mx;
    Node *l, *r;
} st[MAXN];

ll sz = 0, n;
void push(Node* v) {
    if (v->l == nullptr) {
        v->l = &st[++sz];
        v->r = &st[++sz];
    }
}
void add(ll val, int event, Node *v = &st[0], int l = 1, int r = n) {
    if (l > val or val > r) return;
    if (l == r) {
        v->sum += event * val;
        if (v->sum > 0) 
            v->mx = val;
        else v->mx = 0;
    } else {
        int mid = (l + r) / 2;
        push(v);
        add(val, event, v->l, l, mid);
        add(val, event, v->r, mid + 1, r);

        v->sum = v->l->sum + v->r->sum;
        v->mx = max(v->l->mx, v->r->mx - v->l->sum);
    }
}

int cnt1 = 0, cnt_total = 0;
bool init(int coinsCount, long long maxCoinSize, long long coins[]) {
    n = maxCoinSize;
    FOR(i, 0, coinsCount - 1) {
        cnt1 += coins[i] == 1;
        add(coins[i], 1);
    }
    db("fuck")
    cnt_total += coinsCount;
    return (st[0].mx <= 1 && cnt1 > 0) or cnt_total == 0;
}
bool is_happy(int event, int coinsCount, long long coins[]) {
    cnt_total += event * coinsCount;
    FOR(i, 0, coinsCount - 1) {
        add(coins[i], event);
        cnt1 += event * (coins[i] == 1);
    }
    return (st[0].mx <= 1 && cnt1 > 0) or cnt_total == 0;
}

Compilation message

happiness.cpp:22:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   22 | const int INF = 1e18;
      |                 ^~~~
happiness.cpp: In function 'bool init(int, long long int, long long int*)':
happiness.cpp:18:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   18 | #define FOR(i, a, b) for (int (i) = a; (i) <= (b); i++)
      |                               ^
happiness.cpp:60:5: note: in expansion of macro 'FOR'
   60 |     FOR(i, 0, coinsCount - 1) {
      |     ^~~
happiness.cpp: In function 'bool is_happy(int, int, long long int*)':
happiness.cpp:18:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   18 | #define FOR(i, a, b) for (int (i) = a; (i) <= (b); i++)
      |                               ^
happiness.cpp:70:5: note: in expansion of macro 'FOR'
   70 |     FOR(i, 0, coinsCount - 1) {
      |     ^~~
grader.cpp: In function 'int main()':
grader.cpp:16:12: warning: unused variable 'max_code' [-Wunused-variable]
   16 |  long long max_code;
      |            ^~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Incorrect 1 ms 348 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 229 ms 36148 KB Output is correct
7 Correct 217 ms 35888 KB Output is correct
8 Correct 210 ms 36176 KB Output is correct
9 Correct 343 ms 44636 KB Output is correct
10 Correct 356 ms 47584 KB Output is correct
11 Correct 118 ms 24656 KB Output is correct
12 Correct 126 ms 24816 KB Output is correct

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Incorrect 1 ms 348 KB Output isn't correct
7 Halted 0 ms 0 KB -