/**
* 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];
int 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;
| ^~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
428 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
428 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
428 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
206 ms |
35924 KB |
Output is correct |
7 |
Correct |
222 ms |
35668 KB |
Output is correct |
8 |
Correct |
213 ms |
35892 KB |
Output is correct |
9 |
Correct |
314 ms |
44368 KB |
Output is correct |
10 |
Correct |
335 ms |
47444 KB |
Output is correct |
11 |
Correct |
123 ms |
24404 KB |
Output is correct |
12 |
Correct |
131 ms |
24404 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
428 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |