#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, m;
cin >> n >> m;
bool swapped = false;
if (n > m) {
swapped = true;
swap(n, m);
}
vector<vector<int>> a(n, vector<int>(m));
for (int i = 0; i < (swapped ? m : n); ++i) {
for (int j = 0; j < (swapped ? n : m); ++j) {
if (!swapped) {
cin >> a[i][j];
} else {
cin >> a[j][i];
}
}
}
int x1, y1, x2, y2;
auto MIN = [&](int x, int y) -> bool {
if (x > x1 && a[x - 1][y] < a[x][y]) return false;
if (y > y1 && a[x][y - 1] < a[x][y]) return false;
if (x < x2 && a[x + 1][y] < a[x][y]) return false;
if (y < y2 && a[x][y + 1] < a[x][y]) return false;
return true;
};
auto MAX = [&](int x, int y) -> bool {
if (x > x1 && a[x - 1][y] > a[x][y]) return false;
if (y > y1 && a[x][y - 1] > a[x][y]) return false;
if (x < x2 && a[x + 1][y] > a[x][y]) return false;
if (y < y2 && a[x][y + 1] > a[x][y]) return false;
return true;
};
int ans = 0;
for (x1 = 0; x1 < n; ++x1) {
for (y1 = 0; y1 < m; ++y1) {
for (x2 = x1; x2 < n; ++x2) {
for (y2 = y1; y2 < m; ++y2) {
int cnt = 0;
vector<array<int, 3>> v;
for (int i = x1; i <= x2 && cnt <= 2; ++i) {
for (int j = y1; j <= y2 && cnt <= 2; ++j) {
v.push_back({a[i][j], i, j});
}
}
sort(v.begin(), v.end());
bool ok = true;
for (int i = 1; i < int(v.size()) && ok; ++i) {
ok &= abs(v[i][1] - v[i - 1][1]) + abs(v[i][2] - v[i - 1][2]) <= 1;
}
if (ok) {
ans += 1;
}
}
}
}
}
cout << ans;
return 0;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:29:10: warning: variable 'MIN' set but not used [-Wunused-but-set-variable]
29 | auto MIN = [&](int x, int y) -> bool {
| ^~~
Main.cpp:37:10: warning: variable 'MAX' set but not used [-Wunused-but-set-variable]
37 | auto MAX = [&](int x, int y) -> bool {
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Execution timed out |
5092 ms |
1088 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
320 KB |
Output is correct |
4 |
Correct |
2 ms |
444 KB |
Output is correct |
5 |
Correct |
3 ms |
212 KB |
Output is correct |
6 |
Correct |
3 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
320 KB |
Output is correct |
4 |
Correct |
2 ms |
444 KB |
Output is correct |
5 |
Correct |
3 ms |
212 KB |
Output is correct |
6 |
Correct |
3 ms |
212 KB |
Output is correct |
7 |
Execution timed out |
5073 ms |
368 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
320 KB |
Output is correct |
4 |
Correct |
2 ms |
444 KB |
Output is correct |
5 |
Correct |
3 ms |
212 KB |
Output is correct |
6 |
Correct |
3 ms |
212 KB |
Output is correct |
7 |
Execution timed out |
5073 ms |
368 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
320 KB |
Output is correct |
4 |
Correct |
2 ms |
444 KB |
Output is correct |
5 |
Correct |
3 ms |
212 KB |
Output is correct |
6 |
Correct |
3 ms |
212 KB |
Output is correct |
7 |
Execution timed out |
5073 ms |
368 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |