Submission #843547

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
843547	2023-09-04 04:47:19	Quadrilateral	Two Currencies (JOI23_currencies)	C++17	100 / 100	3515 ms	65820 KiB

currencies

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#pragma GCC optimize("Ofast")
#include <iostream>
#include <vector>
#include <algorithm>
#include <unordered_map>
#define MAXN 100010
using namespace std;
typedef long long ll;
int N, M, Q;
int parent[20][MAXN];
int depth[MAXN];
int in[MAXN], out[MAXN];
int max_height;
int dfs_ordering[MAXN];
vector<int> adj[MAXN];
typedef struct save_points {
    ll s, e, val;
    bool operator < (const save_points& right) {
        return val < right.val;
    }
} save_points;
typedef struct Query {
    ll s, t, x, y;
} Query;
vector<save_points> SP;
 
 
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Compilation message (stderr)

currencies.cpp: In function 'void Euler_tour(int, int)':
currencies.cpp:65:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |     for (int i = 0; i < adj[n].size(); i++) {
      |                     ~~^~~~~~~~~~~~~~~
currencies.cpp: In function 'void update(ll*, int, int, int, int, ll)':
currencies.cpp:118:44: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  118 |     int lch = n << 1, rch = lch | 1, m = s + e >> 1;
      |                                          ~~^~~
currencies.cpp: In function 'll query(ll*, int, int, int, int, int)':
currencies.cpp:127:44: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  127 |     int lch = n << 1, rch = lch | 1, m = s + e >> 1;
      |                                          ~~^~~
currencies.cpp: In function 'void segclear(int, int, int)':
currencies.cpp:136:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  136 |     int m = s + e >> 1;
      |             ~~^~~
currencies.cpp: In function 'void solve()':
currencies.cpp:157:39: warning: unused variable 'VAL' [-Wunused-variable]
  157 |         int S = SP[i].s, E = SP[i].e, VAL = SP[i].val;
      |                                       ^~~
currencies.cpp:176:30: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  176 |             flag = 1; g[l[i] + r[i] >> 1].push_back(i);
      |                         ~~~~~^~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32