#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename U> using ordered_map = tree<T, U, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
#define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
#define FORD(i,j,k,in) for(int i=(j); i >=(k);i-=in)
#define REP(i,b) FOR(i,0,b,1)
#define REPD(i,b) FORD(i,b,0,1)
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define all(x) begin(x), end(x)
#define MANY_TESTS int tcase; cin >> tcase; while(tcase--)
const double EPS = 1e-9;
const int MOD = 1e9+7;
const ll INFF = 1e18;
const int INF = 1e9;
const ld PI = acos((ld)-1);
const vi dy = {1, 0, -1, 0, -1, 1, 1, -1};
const vi dx = {0, 1, 0, -1, -1, 1, -1, 1};
void DBG(){cout << "]" << endl;}
template<typename T, typename ...U> void DBG(const T& head, const U... args){ cout << head << "; "; DBG(args...); }
#define dbg(...) cout << "Line(" << __LINE__ << ") -> [" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__);
#define chk() cout << "Check at line(" << __LINE__ << ") hit." << endl;
template<class T, unsigned int U>
ostream& operator<<(ostream& out, const array<T, U> &v){out << "["; REP(i, U) out << v[i] << ", "; out << "]"; return out;}
template <class T, class U>
ostream& operator<<(ostream& out, const pair<T, U> &par) {out << "[" << par.first << ";" << par.second << "]"; return out;}
template <class T>
ostream& operator<<(ostream& out, const set<T> &cont) { out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template <class T, class U>
ostream& operator<<(ostream& out, const map<T, U> &cont) {out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template<class T>
ostream& operator<<(ostream& out, const vector<T> &v){ out << "["; REP(i, v.size()) out << v[i] << ", "; out << "]"; return out;}
template<class T>
istream& operator>>(istream& in, vector<T> &v){ for(auto &x : v) in >> x; return in; }
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL); cout.tie(NULL);
auto solve_small_r = [](){
int r, c;
cin >> r >> c;
int n; cin >> n;
vector<array<int, 2>> cells(n);
REP(i, n){
cin >> cells[i][0] >> cells[i][1];
}
auto comp = [](array<int, 2> lhs, array<int, 2> rhs){
return tie(lhs[1], lhs[0]) < tie(rhs[1], rhs[0]);
};
sort(all(cells), comp);
ll ans = INFF + 5;
auto solve_row = [&](vector<int> &cols, int left, int right) -> ll{
int res = 0;
REP(i, (int)cols.size() -1){
int diff = cols[i + 1] - cols[i];
diff = diff - 1 - left - right;
res = max(res, diff);
}
return res;
};
vector<vector<int>> cols(r + 1);
auto go = [&](int up, int down) -> ll{
REP(i, r + 1)
cols[i].clear();
REP(i, n){
int lo = max(1, cells[i][0] - up); int hi = min(cells[i][0] + down + 1, r + 1);
FOR(j, lo, hi, 1){
cols[j].pb(cells[i][1]);
}
}
ll res = 0;
int left = 0;
int right = 0;
FOR(j, 1, r + 1, 1){
if(cols[j].empty()) return INFF + 5;
left = max(left, cols[j][0] - 1);
right = max(right, c - cols[j].back());
}
FOR(j, 1, r + 1, 1){
res = max(res, solve_row(cols[j], left, right));
}
ll ans = res + up + down + left + right;
return ans;
};
REP(i, r){
REP(j, r){
ans = min(ans, go(i, j));
}
}
cout << ans << "\n";
};
solve_small_r();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
2 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
2 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
2 ms |
364 KB |
Output is correct |
18 |
Correct |
9 ms |
364 KB |
Output is correct |
19 |
Correct |
11 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
24 ms |
364 KB |
Output is correct |
22 |
Correct |
55 ms |
432 KB |
Output is correct |
23 |
Correct |
14 ms |
364 KB |
Output is correct |
24 |
Correct |
90 ms |
492 KB |
Output is correct |
25 |
Correct |
69 ms |
364 KB |
Output is correct |
26 |
Correct |
139 ms |
492 KB |
Output is correct |
27 |
Correct |
134 ms |
492 KB |
Output is correct |
28 |
Correct |
84 ms |
460 KB |
Output is correct |
29 |
Correct |
118 ms |
620 KB |
Output is correct |
30 |
Correct |
134 ms |
504 KB |
Output is correct |
31 |
Correct |
138 ms |
492 KB |
Output is correct |
32 |
Correct |
137 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
2 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
2 ms |
364 KB |
Output is correct |
18 |
Correct |
9 ms |
364 KB |
Output is correct |
19 |
Correct |
11 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
24 ms |
364 KB |
Output is correct |
22 |
Correct |
55 ms |
432 KB |
Output is correct |
23 |
Correct |
14 ms |
364 KB |
Output is correct |
24 |
Correct |
90 ms |
492 KB |
Output is correct |
25 |
Correct |
69 ms |
364 KB |
Output is correct |
26 |
Correct |
139 ms |
492 KB |
Output is correct |
27 |
Correct |
134 ms |
492 KB |
Output is correct |
28 |
Correct |
84 ms |
460 KB |
Output is correct |
29 |
Correct |
118 ms |
620 KB |
Output is correct |
30 |
Correct |
134 ms |
504 KB |
Output is correct |
31 |
Correct |
138 ms |
492 KB |
Output is correct |
32 |
Correct |
137 ms |
492 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
135 ms |
484 KB |
Output is correct |
35 |
Correct |
134 ms |
492 KB |
Output is correct |
36 |
Correct |
135 ms |
492 KB |
Output is correct |
37 |
Correct |
92 ms |
492 KB |
Output is correct |
38 |
Correct |
136 ms |
492 KB |
Output is correct |
39 |
Correct |
133 ms |
492 KB |
Output is correct |
40 |
Correct |
146 ms |
492 KB |
Output is correct |
41 |
Correct |
107 ms |
492 KB |
Output is correct |
42 |
Correct |
116 ms |
492 KB |
Output is correct |
43 |
Correct |
127 ms |
512 KB |
Output is correct |
44 |
Correct |
136 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
3 ms |
620 KB |
Execution killed with signal 6 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
3 ms |
620 KB |
Execution killed with signal 6 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
2 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
2 ms |
364 KB |
Output is correct |
18 |
Correct |
9 ms |
364 KB |
Output is correct |
19 |
Correct |
11 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
24 ms |
364 KB |
Output is correct |
22 |
Correct |
55 ms |
432 KB |
Output is correct |
23 |
Correct |
14 ms |
364 KB |
Output is correct |
24 |
Correct |
90 ms |
492 KB |
Output is correct |
25 |
Correct |
69 ms |
364 KB |
Output is correct |
26 |
Correct |
139 ms |
492 KB |
Output is correct |
27 |
Correct |
134 ms |
492 KB |
Output is correct |
28 |
Correct |
84 ms |
460 KB |
Output is correct |
29 |
Correct |
118 ms |
620 KB |
Output is correct |
30 |
Correct |
134 ms |
504 KB |
Output is correct |
31 |
Correct |
138 ms |
492 KB |
Output is correct |
32 |
Correct |
137 ms |
492 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |
34 |
Correct |
135 ms |
484 KB |
Output is correct |
35 |
Correct |
134 ms |
492 KB |
Output is correct |
36 |
Correct |
135 ms |
492 KB |
Output is correct |
37 |
Correct |
92 ms |
492 KB |
Output is correct |
38 |
Correct |
136 ms |
492 KB |
Output is correct |
39 |
Correct |
133 ms |
492 KB |
Output is correct |
40 |
Correct |
146 ms |
492 KB |
Output is correct |
41 |
Correct |
107 ms |
492 KB |
Output is correct |
42 |
Correct |
116 ms |
492 KB |
Output is correct |
43 |
Correct |
127 ms |
512 KB |
Output is correct |
44 |
Correct |
136 ms |
492 KB |
Output is correct |
45 |
Runtime error |
3 ms |
620 KB |
Execution killed with signal 6 |
46 |
Halted |
0 ms |
0 KB |
- |