Submission #970656

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
970656	2024-04-27 03:05:20	nguyentunglam	Radio Towers (IOI22_towers)	C++17	100 / 100	1294 ms	317476 KiB

towers

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#include "towers.h"
#include<bits/stdc++.h>
#define all(v) v.begin(), v.end()
using namespace std;
const int N = 1e5 + 10, S = 1e5 * 20 * 4;
int h[N], lg[N], mx[20][N], mn[20][N], L[N], R[N];
int n;
vector<int> rrh, pos[2 * N];
int idx(int x) {
  return upper_bound(all(rrh), x) - rrh.begin();
}
struct ITSUM {
struct node {
  int left, right, val;
  node () {
    left = right = val = 0;
  }
} T[S];
int cnt;
int it[2 * N];
void pass (int x, int y) {
  T[it[x] = ++cnt] = T[it[y]];
 
 
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Compilation message (stderr)

towers.cpp: In member function 'void ITSUM::up(int, int, int, int, int)':
towers.cpp:38:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   38 |   int mid = l + r >> 1;
      |             ~~^~~
towers.cpp: In member function 'int ITSUM::get(int, int, int, int, int)':
towers.cpp:55:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   55 |   int mid = l + r >> 1;
      |             ~~^~~
towers.cpp: In member function 'void ITMAX::up(int, int, int, int, int, int)':
towers.cpp:82:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   82 |   int mid = l + r >> 1;
      |             ~~^~~
towers.cpp: In member function 'int ITMAX::get(int, int, int, int)':
towers.cpp:94:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   94 |   int mid = l + r >> 1;
      |             ~~^~~
towers.cpp: In function 'void init(int, std::vector<int>)':
towers.cpp:141:56: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
  141 |     mx[j][i] = max(mx[j - 1][i], mx[j - 1][i + (1 << j - 1)]);
      |                                                      ~~^~~
towers.cpp:142:57: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
  142 |     mn[j][i] = best(mn[j - 1][i], mn[j - 1][i + (1 << j - 1)]);
      |                                                       ~~^~~
towers.cpp:146:9: warning: unused variable 'tmp' [-Wunused-variable]
  146 |     int tmp = min(getmax(L[i] + 1, i - 1), getmax(i + 1, R[i] - 1)) - h[i];
      |         ^~~

• Subtask 1: 4 / 4
• Subtask 2: 11 / 11
• Subtask 3: 12 / 12
• Subtask 4: 14 / 14
• Subtask 5: 17 / 17
• Subtask 6: 19 / 19
• Subtask 7: 23 / 23