oj.uz

Submission #709241

# Submission time Handle Problem Language Result Execution time Memory
709241 2023-03-13T09:20:14 Z minhcool Sightseeing in Kyoto (JOI22_kyoto) C++17
10 / 100
 10 ms 12324 KB 
#include<bits/stdc++.h>
using namespace std;
 
#define int long long
#define fi first
#define se second
#define pb push_back
 
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;
 
const int N = 3e5 + 5;
const int mod = 1e9 + 7, oo = 1e18 + 7;
 
int n, m;
int r[N], c[N];
 
int arr[5005][5005];
 
map<int, int> mp;
 
vector<int> pos1, pos2;
 
void process(){
    cin >> n >> m;
    for(int i = 1; i <= n; i++) cin >> r[i];
    for(int i = 1; i <= m; i++) cin >> c[i];
    for(int i = 1; i <= n; i++){
    	if(mp[r[i]]) continue;
    	mp[r[i]] = i;
    	pos1.pb(i);
	}
	mp.clear();
	for(int i = n; i >= 1; i--){
		if(mp[r[i]]) continue;
		mp[r[i]] = i;
		pos1.pb(i);
	}
	mp.clear();
	for(int i = 1; i <= m; i++){
		if(mp[c[i]]) continue;
		mp[c[i]] = i;
		pos2.pb(i);
	}
	for(int i = m; i >= 1; i--){
		if(mp[c[i]]) continue;
		mp[c[i]] = i;
		pos2.pb(i);
	}
	pos1.pb(1), pos1.pb(n), pos2.pb(1), pos2.pb(m);
	sort(pos1.begin(), pos1.end());
	pos1.resize(unique(pos1.begin(), pos1.end()) - pos1.begin());
	sort(pos2.begin(), pos2.end());
	pos2.resize(unique(pos2.begin(), pos2.end()) - pos2.begin());
  assert(pos1.size() <= 2500), assert(pos2.size() <= 2500);
    for(int i = 0; i < pos1.size(); i++){
    	for(int j = 0; j < pos2.size(); j++) arr[i][j] = oo;
	}
	arr[0][0] = 0;
	for(int i = 1; i < pos2.size(); i++) arr[0][i] = r[pos1[0]] * (pos2[i] - 1);
	for(int i = 1; i < pos1.size(); i++) arr[i][0] = c[pos2[0]] * (pos1[i] - 1); 
	for(int i = 1; i < pos1.size(); i++){
		for(int j = 1; j < pos2.size(); j++){
			arr[i][j] = min(arr[i][j - 1] + r[pos1[i]] * (pos2[j] - pos2[j - 1]), arr[i - 1][j] + c[pos2[j]] * (pos1[i] - pos1[i - 1])); 
		}
	}
	/*
	for(int i = 0; i < pos1.size(); i++){
		for(int j = 0; j < pos2.size(); j++) cout << arr[i][j] << " ";
		cout << "\n";
	}*/
	cout << arr[pos1.size() - 1][pos2.size() - 1];
}
 
signed main(){
    ios_base::sync_with_stdio(0);
    //freopen("KEK.inp", "r", stdin);
    //freopen("KEK.out", "w", stdout);
    cin.tie(0);
    process();
}

Compilation message

kyoto.cpp: In function 'void process()':
kyoto.cpp:57:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |     for(int i = 0; i < pos1.size(); i++){
      |                    ~~^~~~~~~~~~~~~
kyoto.cpp:58:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |      for(int j = 0; j < pos2.size(); j++) arr[i][j] = oo;
      |                     ~~^~~~~~~~~~~~~
kyoto.cpp:61:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |  for(int i = 1; i < pos2.size(); i++) arr[0][i] = r[pos1[0]] * (pos2[i] - 1);
      |                 ~~^~~~~~~~~~~~~
kyoto.cpp:62:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |  for(int i = 1; i < pos1.size(); i++) arr[i][0] = c[pos2[0]] * (pos1[i] - 1);
      |                 ~~^~~~~~~~~~~~~
kyoto.cpp:63:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |  for(int i = 1; i < pos1.size(); i++){
      |                 ~~^~~~~~~~~~~~~
kyoto.cpp:64:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |   for(int j = 1; j < pos2.size(); j++){
      |                  ~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 2260 KB Output is correct
6 Correct 1 ms 1620 KB Output is correct
7 Correct 1 ms 1108 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 10 ms 12324 KB Output is correct
10 Correct 10 ms 12244 KB Output is correct
11 Correct 10 ms 12244 KB Output is correct
12 Correct 10 ms 12244 KB Output is correct
13 Correct 10 ms 12244 KB Output is correct
14 Correct 10 ms 12244 KB Output is correct
15 Correct 9 ms 12244 KB Output is correct
16 Correct 10 ms 12316 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Incorrect 2 ms 3284 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 2260 KB Output is correct
6 Correct 1 ms 1620 KB Output is correct
7 Correct 1 ms 1108 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 10 ms 12324 KB Output is correct
10 Correct 10 ms 12244 KB Output is correct
11 Correct 10 ms 12244 KB Output is correct
12 Correct 10 ms 12244 KB Output is correct
13 Correct 10 ms 12244 KB Output is correct
14 Correct 10 ms 12244 KB Output is correct
15 Correct 9 ms 12244 KB Output is correct
16 Correct 10 ms 12316 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Incorrect 2 ms 3284 KB Output isn't correct
32 Halted 0 ms 0 KB -