Submission #430436

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
4304362021-06-16 13:47:08egekabasRectangles (IOI19_rect)C++14
0 / 100
943 ms451512 KiB
#include "rect.h"
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
int bit[2509];
int n, m;
void upd(int idx, int val){
for(++idx; idx <= max(n, m)+3; idx += idx&(-idx))
bit[idx] += val;
}
int get(int idx){
int ret = 0;
for(++idx; idx > 0; idx -= idx&(-idx))
ret += bit[idx];
return ret;
}
long long count_rectangles(std::vector<std::vector<int> > a) {
n = a.size(), m = a[0].size();
 
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Compilation message (stderr)

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:52:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |    for(int i = 0; i < pos[x][y].size();){
      |                   ~~^~~~~~~~~~~~~~~~~~
rect.cpp:54:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     for(j = i+1; j < pos[x][y].size(); ++j)
      |                  ~~^~~~~~~~~~~~~~~~~~
rect.cpp:85:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |    for(int i = 0; i < pos[x][y].size();){
      |                   ~~^~~~~~~~~~~~~~~~~~
rect.cpp:87:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   87 |     for(j = i+1; j < pos[x][y].size(); ++j)
      |                  ~~^~~~~~~~~~~~~~~~~~
rect.cpp:103:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  103 |   for(int j = 1; j < maxval[i-1].size(); ++j)
      |                  ~~^~~~~~~~~~~~~~~~~~~~
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