oj.uz

Submission #889857

# Submission time Handle Problem Language Result Execution time Memory
889857 2023-12-20T08:25:24 Z vjudge1 Coin Collecting (JOI19_ho_t4) C++17
37 / 100
 14 ms 17756 KB 
#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;
  
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
 
// #pragma GCC optimize("Ofast,unroll-loops,fast-math")
// #pragma GCC target("popcnt")


typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll,ll> pll;
 
#define sz size()
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define pb push_back

const int mod = ll(1e9)+7; //(b + (a%b)) % b (to mod -1%(10^9+7) correctly in c++ its -1 but its suppose to be 10^9+6
const ll MOD = 998244353;  // (a%mod)*(binpow(b,mod-2,mod) = (a/b)%mod
const int N = ll(2e5)+10;
const long long inf = 2e18;
const long double eps = 1e-15L;
 
ll lcm(ll a, ll b) { return (a / __gcd(a,b))*b; }

ll binpow(ll a, ll b, ll m) { ll res=1; a %= m; while(b>0){ if(b&1)res=(res * a) % m; a=(a * a) % m; b/=2; } return res%m;}


void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }

struct point {
	int x, y;
} a[2005];

ll distance(point a, point b) {
	return (ll)abs(a.x - b.x) + abs(a.y - b.y);
}

bool comp(point a, point b) {
	if(a.x == b.x) return a.y < b.y;
	return a.x < b.x;
}

ll dp[2005][2005];

void Baizho() {	
	int n; cin>>n;
	ll ans = 0;
	for(int i = 1; i <= n + n; i ++) {
		cin>>a[i].x>>a[i].y;
	}
	sort(a + 1, a + n + n + 1, comp);
	for(int i = 0; i <= n; i ++) for(int j = 0; j <= n; j ++) dp[i][j] = inf;
	dp[0][0] = 0;
	for(int i = 1; i <= n + n; i ++) {
		for(int x = 0; x <= min(i, n); x ++) {
			int y = i - x;
			if(x) dp[x][y] = min(dp[x][y], dp[x-1][y] + abs(a[i].x - x) + abs(a[i].y - 1));
			if(y) dp[x][y] = min(dp[x][y], dp[x][y - 1] + abs(a[i].x - y) + abs(a[i].y - 2));
		}
	}
//	for(int i = 0; i <= n; i ++) {
//		for(int j = 0; j <= n; j ++) cout<<dp[i][j]<<" ";
//		cout<<"\n";
//	}
	cout<<dp[n][n];
	
}
 
signed main() {		
 
    ios_base::sync_with_stdio(false);   
    cin.tie(0);cout.tie(0); 
//   	precalc();
   	
    int ttt = 1;
//    cin>>ttt;

    for(int i=1; i<=ttt; i++) { Baizho(); }
}

Compilation message

joi2019_ho_t4.cpp: In function 'void Baizho()':
joi2019_ho_t4.cpp:54:5: warning: unused variable 'ans' [-Wunused-variable]
   54 |  ll ans = 0;
      |     ^~~
joi2019_ho_t4.cpp: In function 'void Freopen(std::string)':
joi2019_ho_t4.cpp:35:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t4.cpp:35:76: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                                                                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 9 ms 16988 KB Output is correct
35 Correct 9 ms 16988 KB Output is correct
36 Correct 10 ms 16984 KB Output is correct
37 Correct 10 ms 16984 KB Output is correct
38 Correct 9 ms 16988 KB Output is correct
39 Correct 10 ms 17104 KB Output is correct
40 Correct 14 ms 17756 KB Output is correct
41 Correct 10 ms 16988 KB Output is correct
42 Correct 11 ms 16988 KB Output is correct
43 Correct 10 ms 17060 KB Output is correct
44 Correct 9 ms 16988 KB Output is correct
45 Correct 9 ms 16988 KB Output is correct
46 Correct 11 ms 17188 KB Output is correct
47 Correct 10 ms 17104 KB Output is correct
48 Correct 10 ms 17056 KB Output is correct
49 Correct 9 ms 16988 KB Output is correct
50 Correct 10 ms 16988 KB Output is correct
51 Correct 10 ms 16988 KB Output is correct
52 Correct 9 ms 16988 KB Output is correct
53 Correct 9 ms 16864 KB Output is correct
54 Correct 9 ms 16860 KB Output is correct
55 Correct 9 ms 16988 KB Output is correct
56 Correct 10 ms 17024 KB Output is correct
57 Correct 10 ms 16988 KB Output is correct
58 Correct 9 ms 16988 KB Output is correct
59 Correct 10 ms 17108 KB Output is correct
60 Correct 9 ms 16988 KB Output is correct
61 Correct 10 ms 17080 KB Output is correct
62 Correct 10 ms 17060 KB Output is correct
63 Correct 10 ms 16988 KB Output is correct
64 Correct 10 ms 16988 KB Output is correct

Subtask #3
0 / 63.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 9 ms 16988 KB Output is correct
35 Correct 9 ms 16988 KB Output is correct
36 Correct 10 ms 16984 KB Output is correct
37 Correct 10 ms 16984 KB Output is correct
38 Correct 9 ms 16988 KB Output is correct
39 Correct 10 ms 17104 KB Output is correct
40 Correct 14 ms 17756 KB Output is correct
41 Correct 10 ms 16988 KB Output is correct
42 Correct 11 ms 16988 KB Output is correct
43 Correct 10 ms 17060 KB Output is correct
44 Correct 9 ms 16988 KB Output is correct
45 Correct 9 ms 16988 KB Output is correct
46 Correct 11 ms 17188 KB Output is correct
47 Correct 10 ms 17104 KB Output is correct
48 Correct 10 ms 17056 KB Output is correct
49 Correct 9 ms 16988 KB Output is correct
50 Correct 10 ms 16988 KB Output is correct
51 Correct 10 ms 16988 KB Output is correct
52 Correct 9 ms 16988 KB Output is correct
53 Correct 9 ms 16864 KB Output is correct
54 Correct 9 ms 16860 KB Output is correct
55 Correct 9 ms 16988 KB Output is correct
56 Correct 10 ms 17024 KB Output is correct
57 Correct 10 ms 16988 KB Output is correct
58 Correct 9 ms 16988 KB Output is correct
59 Correct 10 ms 17108 KB Output is correct
60 Correct 9 ms 16988 KB Output is correct
61 Correct 10 ms 17080 KB Output is correct
62 Correct 10 ms 17060 KB Output is correct
63 Correct 10 ms 16988 KB Output is correct
64 Correct 10 ms 16988 KB Output is correct
65 Runtime error 1 ms 604 KB Execution killed with signal 11
66 Halted 0 ms 0 KB -