/*#pragma GCC optimize("O3")
#pragma GCC target ("avx2")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("unroll-loops")*/
#include <bits/stdc++.h>
#pragma GCC optimize ("unroll-loops,Ofast,O3")
#pragma GCC target("avx,avx2,fma")
//#define file(data) freopen(data".in", "r", stdin); freopen(data".out", "w", stdout);
#define pb push_back
//#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define all(data) data.begin() , data.end()
#define endl '\n'
//freopen("nenokku_easy.in", "r", stdin);
//freopen("nenokku_easy.out", "w", stdout);
//#define int long long
#define pii pair < int, int >
//#define pll pair < long long, long long >
using namespace std;
const int N = 1e3 + 5;
const int lg = 21;
int n, m, c[N][N];
main() {
//file("pieaters");
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n >> m;
vector < pair < int, pii > > v;
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= m; j++) {
cin >> c[i][j];
v.pb({c[i][j], {i, j}});
}
}
sort(all(v));
reverse(all(v));
int ans = -1;
for(int i = 0; i < v.size(); i++) {
for(int j = i + 1; j < v.size(); j++) {
ans = max(ans, v[i].first - v[j].first - abs(v[i].second.first - v[j].second.first) - abs(v[i].second.second - v[j].second.second) - 1);
}
}
cout << ans;
}
Compilation message
maxcomp.cpp:27:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
27 | main() {
| ^~~~
maxcomp.cpp: In function 'int main()':
maxcomp.cpp:43:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | for(int i = 0; i < v.size(); i++) {
| ~~^~~~~~~~~~
maxcomp.cpp:44:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
44 | for(int j = i + 1; j < v.size(); j++) {
| ~~^~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
332 KB |
Output is correct |
7 |
Correct |
0 ms |
332 KB |
Output is correct |
8 |
Correct |
0 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
2 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
332 KB |
Output is correct |
7 |
Correct |
0 ms |
332 KB |
Output is correct |
8 |
Correct |
0 ms |
332 KB |
Output is correct |
9 |
Correct |
6 ms |
588 KB |
Output is correct |
10 |
Correct |
5 ms |
588 KB |
Output is correct |
11 |
Correct |
5 ms |
588 KB |
Output is correct |
12 |
Correct |
7 ms |
588 KB |
Output is correct |
13 |
Correct |
5 ms |
608 KB |
Output is correct |
14 |
Correct |
6 ms |
588 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
332 KB |
Output is correct |
7 |
Correct |
0 ms |
332 KB |
Output is correct |
8 |
Correct |
0 ms |
332 KB |
Output is correct |
9 |
Correct |
2 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
2 ms |
332 KB |
Output is correct |
12 |
Correct |
6 ms |
588 KB |
Output is correct |
13 |
Correct |
5 ms |
588 KB |
Output is correct |
14 |
Correct |
5 ms |
588 KB |
Output is correct |
15 |
Correct |
7 ms |
588 KB |
Output is correct |
16 |
Correct |
5 ms |
608 KB |
Output is correct |
17 |
Correct |
6 ms |
588 KB |
Output is correct |
18 |
Execution timed out |
1095 ms |
16116 KB |
Time limit exceeded |
19 |
Halted |
0 ms |
0 KB |
- |