Submission #889034

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
889034	2023-12-18 16:14:38	abczz	Rectangles (IOI19_rect)	C++14	100 / 100	2149 ms	807320 KiB

rect

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#include "rect.h"
#include <iostream>
#include <algorithm>
#include <array>
#include <vector>
#define ll long long
 
using namespace std;
vector <ll> U;
vector <array<ll, 2>> V;
vector <array<ll, 2>> tmp;
vector <array<ll, 2>> A[2500][2500], B[2500][2500];
ll bit[2501], upd[2500][2500], nx[2500][2500], n, m, f, l, r, mid, cnt, z;
 
void add(ll u) {
  while (u <= n) {
    U.push_back(u);
    ++bit[u];
    u += u & -u;
  }
}
 
ll query(ll u) {
  ll res = 0;
  while (u) {
    res += bit[u];
    u -= u & -u;
  }
  return res;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:39:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   39 |         auto [u, id] = V.back();
      |              ^
rect.cpp:57:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   57 |     for (auto [u, v] : A[i-1][j]) {
      |               ^
rect.cpp:58:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |      while (k < A[i][j].size()-1 && A[i][j][k][0] < u) ++k;
      |             ~~^~~~~~~~~~~~~~~~~~
rect.cpp:73:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   73 |         auto [u, id] = V.back();
      |              ^
rect.cpp:92:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   92 |     for (auto [u, v] : B[i][j-1]) {
      |               ^
rect.cpp:98:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   98 |     for (auto [u, v] : B[i][j]) {
      |               ^
rect.cpp:90:9: warning: unused variable 'k' [-Wunused-variable]
   90 |     int k = 0;
      |         ^
rect.cpp:111:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  111 |    while (l < A[i][j].size() && r < B[i][j].size()) {
      |           ~~^~~~~~~~~~~~~~~~
rect.cpp:111:35: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  111 |    while (l < A[i][j].size() && r < B[i][j].size()) {
      |                                 ~~^~~~~~~~~~~~~~~~
rect.cpp:121:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  121 |    while (l < A[i][j].size()) {
      |           ~~^~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 7 / 7
• Subtask 3: 12 / 12
• Subtask 4: 22 / 22
• Subtask 5: 10 / 10
• Subtask 6: 13 / 13
• Subtask 7: 28 / 28