Submission #747576

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
747576	2023-05-24 10:56:37	nguyentunglam	Cake 3 (JOI19_cake3)	C++17	100 / 100	876 ms	203332 KiB

cake3

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#include<bits/stdc++.h>
#define fi first
#define se second
#define endl "\n"
#define ii pair<int, int>
using namespace std;
const int N = 2e5 + 10;
pair<int, int> a[N];
int n, m;
long long ans = -2e18;
struct node {
    node * left;
    node * right;
    int cnt;
    long long sum;
    node () : cnt(0), sum(0), left(nullptr), right(nullptr) {}
};
void build(node *p, int l, int r) {
    if (l == r) return;
    int mid = l + r >> 1;
    p -> left = new node(); p -> right = new node();
    build(p -> left, l, mid);
    build(p -> right, mid + 1, r);
}
void up(node *p, int l, int r, int pos, int val) {
    if (l == r) {
        p -> sum += val;
 
 
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Compilation message (stderr)

cake3.cpp: In constructor 'node::node()':
cake3.cpp:16:15: warning: 'node::sum' will be initialized after [-Wreorder]
   16 |     long long sum;
      |               ^~~
cake3.cpp:13:12: warning:   'node* node::left' [-Wreorder]
   13 |     node * left;
      |            ^~~~
cake3.cpp:17:5: warning:   when initialized here [-Wreorder]
   17 |     node () : cnt(0), sum(0), left(nullptr), right(nullptr) {}
      |     ^~~~
cake3.cpp: In function 'void build(node*, int, int)':
cake3.cpp:22:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   22 |     int mid = l + r >> 1;
      |               ~~^~~
cake3.cpp: In function 'void up(node*, int, int, int, int)':
cake3.cpp:34:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   34 |     int mid = l + r >> 1;
      |               ~~^~~
cake3.cpp: In function 'long long int query(node*, node*, int, int, int)':
cake3.cpp:50:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   50 |     int mid = l + r >> 1;
      |               ~~^~~
cake3.cpp: In function 'void solve(int, int, int, int)':
cake3.cpp:65:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   65 |     int mid = l + r >> 1;
      |               ~~^~~
cake3.cpp: In function 'int main()':
cake3.cpp:82:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |         freopen ("task.inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
cake3.cpp:83:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   83 |         freopen ("task.out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
cake3.cpp:86:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   86 |         freopen (task".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
cake3.cpp:87:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   87 |         freopen (task".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 76 / 76