Submission #986616

#	Time	Username	Problem	Language	Result	Execution time	Memory
986616		mariaclara	Rectangles (IOI19_rect)	C++17	0 / 100	1 ms	348 KiB

rect

#include "rect.h"
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;
const int MAXVAL = 2;
#define valid(x) (a[0][x] > a[1][x] and a[1][x] < a[2][x])
#define all(x) x.begin(), x.end()
#define sz(x) x.size()
#define mk make_pair
#define pb push_back
#define fr first
#define sc second

ll count_rectangles(vector<vector<int>> a) {
	int n = sz(a), m = sz(a[0]);

	int ans = 0;
	for(int i = 0, last = 0; i < m; i++) {
		if(valid(i) and (i==0 or !valid(i-1))) last = i;
		if(!valid(i) or (i < m-1 and valid(i+1))) continue;
		
		cout << last <<" " << i << "\n";
		int ms = -1;
		if(last > 0) ms = a[1][last-1];
		for(int j = last; j <= i; j++) {
			if(ms > a[1][j]) ans++;
			ms = max(ms, a[1][j]);
		}
		ms = -1;
		if(i < m-1) ms = a[1][i+1];
		for(int j = i; j >= i; j--) {
			if(ms > a[1][j]) ans++;
			ms = max(ms, a[1][j]);
		}
	}

	return ans/2;
}

Compilation message (stderr)

rect.cpp: In function 'll count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:18:6: warning: unused variable 'n' [-Wunused-variable]
   18 |  int n = sz(a), m = sz(a[0]);
      |      ^

• Subtask 1: 0 / 8
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 22
• Subtask 5: 0 / 10
• Subtask 6: 0 / 13
• Subtask 7: 0 / 28