Submission #897591

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
897591	2024-01-03 13:11:07	penguin133	Cake 3 (JOI19_cake3)	C++17	100 / 100	2272 ms	15116 KiB

cake3

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
//#define int long long
typedef long long ll;
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
int n, m;
pi A[200005];
multiset <int> ms, buf;
int L = 1, R = 0, x, y;
ll cur = 0, ans = -1e18;
inline void shift(const int l, const int r){
  while(L < l){
    if(buf.find(A[L].se) != buf.end())buf.erase(buf.find(A[L].se));
    else {
      ms.erase(ms.find(A[L].se)), cur -= A[L].se;
      
    }
    while(ms.size() < m && !buf.empty()){
      x = *--buf.end();
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

cake3.cpp: In function 'void shift(int, int)':
cake3.cpp:29:19: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |   while(ms.size() < m && !buf.empty()){
      |         ~~~~~~~~~~^~~
cake3.cpp:38:19: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   38 |   while(ms.size() < m && !buf.empty())cur += *--buf.end(), ms.insert(*--buf.end()), buf.erase(--buf.end());
      |         ~~~~~~~~~~^~~
cake3.cpp:50:19: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   50 |   while(ms.size() < m && !buf.empty())cur += *--buf.end(), ms.insert(*--buf.end()), buf.erase(--buf.end());
      |         ~~~~~~~~~~^~~
cake3.cpp:62:19: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   62 |   while(ms.size() < m && !buf.empty()){
      |         ~~~~~~~~~~^~~
cake3.cpp: In function 'void dnc(int, int, int, int)':
cake3.cpp:76:16: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   76 |   if(ms.size() < m)break;
      |      ~~~~~~~~~~^~~
cake3.cpp:77:16: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   77 |   if(ms.size() == m && mx < cur - 2 * (A[mid].fi - A[i].fi))mx = cur - 2 * (A[mid].fi - A[i].fi), pos = i;
      |      ~~~~~~~~~~^~~~
cake3.cpp: At global scope:
cake3.cpp:93:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   93 | main(){
      | ^~~~

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