oj.uz

Submission #978812

# Submission time Handle Problem Language Result Execution time Memory
978812 2024-05-09T17:49:16 Z MilosMilutinovic Ski 2 (JOI24_ski2) C++14
100 / 100
 693 ms 24784 KB 
#include<bits/stdc++.h>
 
#define pb push_back
#define fi first
#define se second
#define mp make_pair
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef long double ld;
 
template <typename T> bool chkmin(T &x,T y){return x>y?x=y,1:0;}
template <typename T> bool chkmax(T &x,T y){return x<y?x=y,1:0;}
 
ll readint(){
	ll x=0,f=1; char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}

const ll inf=(ll)1e18;
int n,k;
int h[305],c[305];
ll dp[2][305][305]; // (pos,bal,unmatch)
vector<int> val[900505];
vector<pii> states[2];

int main(){
	n=readint(); k=readint();
	for(int i=1;i<=n;i++) h[i]=readint(),c[i]=readint();
	vector<int> xs;
	for(int i=1;i<=n;i++){
		for(int j=0;j<=n;j++){
			xs.pb(h[i]+j);
		}
	}
	sort(xs.begin(),xs.end());
	xs.erase(unique(xs.begin(),xs.end()),xs.end());
	for(int i=1;i<=n;i++){
		int p=(int)(lower_bound(xs.begin(),xs.end(),h[i])-xs.begin());
		val[p].pb(c[i]);
	}
	for(int i=0;i<=n;i++){
		for(int j=0;j<=n;j++){
			dp[0][i][j]=inf;
			dp[1][i][j]=inf;
		}
	}
	dp[1][1][0]=0;
	states[1].pb(mp(1,0));
	int p=1,q=0;
	int mn=-1;
	for(int x=0;x<(int)xs.size();x++){
		swap(p,q);
		for(auto st:states[p]){
			dp[p][st.fi][st.se]=inf;
		}
		states[p].clear();
		int sz=(int)val[x].size();
		for(auto st:states[q]){
			int i=st.fi,j=st.se;
			if(dp[q][i][j]==inf) continue;
			int t=min(i,j+sz);
			for(int f=0;f<=sz+j-t;f++){
				if(mn==-1&&f>0) break;
				if(dp[p][min(n,i+f)][min(n,(sz+j-t)-f)]==inf) states[p].pb(mp(min(n,i+f),min(n,(sz+j-t)-f)));
				chkmin(dp[p][min(n,i+f)][min(n,(sz+j-t)-f)],dp[q][i][j]+k*1ll*j+f*1ll*mn);
			}
		}
		for(auto p:val[x]) mn=(mn==-1?p:min(mn,p));
	}
	ll ans=(ll)1e18;
	for(int i=1;i<=n;i++) ans=min(ans,dp[p][i][0]);
	printf("%lld\n",ans);
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 23760 KB Output is correct
2 Correct 9 ms 23372 KB Output is correct
3 Correct 10 ms 23508 KB Output is correct
4 Correct 13 ms 23508 KB Output is correct
5 Correct 10 ms 23496 KB Output is correct
6 Correct 11 ms 23500 KB Output is correct
7 Correct 504 ms 24468 KB Output is correct
8 Correct 573 ms 24452 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 570 ms 24448 KB Output is correct
2 Correct 612 ms 24456 KB Output is correct
3 Correct 587 ms 24784 KB Output is correct
4 Correct 630 ms 24780 KB Output is correct
5 Correct 206 ms 23872 KB Output is correct
6 Correct 203 ms 23784 KB Output is correct
7 Correct 12 ms 23508 KB Output is correct
8 Correct 9 ms 23516 KB Output is correct
9 Correct 565 ms 24352 KB Output is correct
10 Correct 375 ms 24176 KB Output is correct
11 Correct 357 ms 24020 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 21596 KB Output is correct
2 Correct 6 ms 21644 KB Output is correct
3 Correct 5 ms 21596 KB Output is correct
4 Correct 9 ms 21596 KB Output is correct
5 Correct 7 ms 21596 KB Output is correct
6 Correct 6 ms 21592 KB Output is correct
7 Correct 7 ms 21596 KB Output is correct
8 Correct 5 ms 21596 KB Output is correct
9 Correct 6 ms 21596 KB Output is correct
10 Correct 6 ms 21592 KB Output is correct
11 Correct 6 ms 21596 KB Output is correct
12 Correct 5 ms 21596 KB Output is correct
13 Correct 5 ms 21596 KB Output is correct
14 Correct 6 ms 21596 KB Output is correct
15 Correct 6 ms 21592 KB Output is correct
16 Correct 8 ms 21596 KB Output is correct
17 Correct 5 ms 21596 KB Output is correct
18 Correct 5 ms 21596 KB Output is correct
19 Correct 6 ms 21596 KB Output is correct
20 Correct 5 ms 21596 KB Output is correct
21 Correct 5 ms 21596 KB Output is correct
22 Correct 6 ms 21596 KB Output is correct
23 Correct 6 ms 21844 KB Output is correct

Subtask #4
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 21596 KB Output is correct
2 Correct 6 ms 21644 KB Output is correct
3 Correct 5 ms 21596 KB Output is correct
4 Correct 9 ms 21596 KB Output is correct
5 Correct 7 ms 21596 KB Output is correct
6 Correct 6 ms 21592 KB Output is correct
7 Correct 7 ms 21596 KB Output is correct
8 Correct 5 ms 21596 KB Output is correct
9 Correct 6 ms 21596 KB Output is correct
10 Correct 6 ms 21592 KB Output is correct
11 Correct 6 ms 21596 KB Output is correct
12 Correct 5 ms 21596 KB Output is correct
13 Correct 5 ms 21596 KB Output is correct
14 Correct 6 ms 21596 KB Output is correct
15 Correct 6 ms 21592 KB Output is correct
16 Correct 8 ms 21596 KB Output is correct
17 Correct 5 ms 21596 KB Output is correct
18 Correct 5 ms 21596 KB Output is correct
19 Correct 6 ms 21596 KB Output is correct
20 Correct 5 ms 21596 KB Output is correct
21 Correct 5 ms 21596 KB Output is correct
22 Correct 6 ms 21596 KB Output is correct
23 Correct 6 ms 21844 KB Output is correct
24 Correct 6 ms 21596 KB Output is correct
25 Correct 7 ms 21596 KB Output is correct
26 Correct 7 ms 21596 KB Output is correct
27 Correct 7 ms 21596 KB Output is correct
28 Correct 6 ms 21796 KB Output is correct
29 Correct 7 ms 21596 KB Output is correct
30 Correct 7 ms 21588 KB Output is correct
31 Correct 6 ms 21596 KB Output is correct
32 Correct 7 ms 21592 KB Output is correct
33 Correct 6 ms 21596 KB Output is correct
34 Correct 6 ms 21596 KB Output is correct
35 Correct 7 ms 21780 KB Output is correct
36 Correct 7 ms 21596 KB Output is correct
37 Correct 5 ms 21592 KB Output is correct
38 Correct 6 ms 21624 KB Output is correct
39 Correct 6 ms 21592 KB Output is correct
40 Correct 7 ms 21596 KB Output is correct
41 Correct 6 ms 21596 KB Output is correct
42 Correct 7 ms 21596 KB Output is correct
43 Correct 7 ms 21596 KB Output is correct
44 Correct 6 ms 21596 KB Output is correct
45 Correct 7 ms 21592 KB Output is correct
46 Correct 5 ms 21596 KB Output is correct
47 Correct 7 ms 21596 KB Output is correct
48 Correct 7 ms 21596 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 23760 KB Output is correct
2 Correct 9 ms 23372 KB Output is correct
3 Correct 10 ms 23508 KB Output is correct
4 Correct 13 ms 23508 KB Output is correct
5 Correct 10 ms 23496 KB Output is correct
6 Correct 11 ms 23500 KB Output is correct
7 Correct 504 ms 24468 KB Output is correct
8 Correct 573 ms 24452 KB Output is correct
9 Correct 570 ms 24448 KB Output is correct
10 Correct 612 ms 24456 KB Output is correct
11 Correct 587 ms 24784 KB Output is correct
12 Correct 630 ms 24780 KB Output is correct
13 Correct 206 ms 23872 KB Output is correct
14 Correct 203 ms 23784 KB Output is correct
15 Correct 12 ms 23508 KB Output is correct
16 Correct 9 ms 23516 KB Output is correct
17 Correct 565 ms 24352 KB Output is correct
18 Correct 375 ms 24176 KB Output is correct
19 Correct 357 ms 24020 KB Output is correct
20 Correct 5 ms 21596 KB Output is correct
21 Correct 6 ms 21644 KB Output is correct
22 Correct 5 ms 21596 KB Output is correct
23 Correct 9 ms 21596 KB Output is correct
24 Correct 7 ms 21596 KB Output is correct
25 Correct 6 ms 21592 KB Output is correct
26 Correct 7 ms 21596 KB Output is correct
27 Correct 5 ms 21596 KB Output is correct
28 Correct 6 ms 21596 KB Output is correct
29 Correct 6 ms 21592 KB Output is correct
30 Correct 6 ms 21596 KB Output is correct
31 Correct 5 ms 21596 KB Output is correct
32 Correct 5 ms 21596 KB Output is correct
33 Correct 6 ms 21596 KB Output is correct
34 Correct 6 ms 21592 KB Output is correct
35 Correct 8 ms 21596 KB Output is correct
36 Correct 5 ms 21596 KB Output is correct
37 Correct 5 ms 21596 KB Output is correct
38 Correct 6 ms 21596 KB Output is correct
39 Correct 5 ms 21596 KB Output is correct
40 Correct 5 ms 21596 KB Output is correct
41 Correct 6 ms 21596 KB Output is correct
42 Correct 6 ms 21844 KB Output is correct
43 Correct 6 ms 21596 KB Output is correct
44 Correct 7 ms 21596 KB Output is correct
45 Correct 7 ms 21596 KB Output is correct
46 Correct 7 ms 21596 KB Output is correct
47 Correct 6 ms 21796 KB Output is correct
48 Correct 7 ms 21596 KB Output is correct
49 Correct 7 ms 21588 KB Output is correct
50 Correct 6 ms 21596 KB Output is correct
51 Correct 7 ms 21592 KB Output is correct
52 Correct 6 ms 21596 KB Output is correct
53 Correct 6 ms 21596 KB Output is correct
54 Correct 7 ms 21780 KB Output is correct
55 Correct 7 ms 21596 KB Output is correct
56 Correct 5 ms 21592 KB Output is correct
57 Correct 6 ms 21624 KB Output is correct
58 Correct 6 ms 21592 KB Output is correct
59 Correct 7 ms 21596 KB Output is correct
60 Correct 6 ms 21596 KB Output is correct
61 Correct 7 ms 21596 KB Output is correct
62 Correct 7 ms 21596 KB Output is correct
63 Correct 6 ms 21596 KB Output is correct
64 Correct 7 ms 21592 KB Output is correct
65 Correct 5 ms 21596 KB Output is correct
66 Correct 7 ms 21596 KB Output is correct
67 Correct 7 ms 21596 KB Output is correct
68 Correct 10 ms 23508 KB Output is correct
69 Correct 10 ms 23376 KB Output is correct
70 Correct 11 ms 23508 KB Output is correct
71 Correct 12 ms 23504 KB Output is correct
72 Correct 10 ms 23508 KB Output is correct
73 Correct 9 ms 23508 KB Output is correct
74 Correct 9 ms 23504 KB Output is correct
75 Correct 11 ms 23500 KB Output is correct
76 Correct 9 ms 23504 KB Output is correct
77 Correct 9 ms 23508 KB Output is correct
78 Correct 11 ms 23508 KB Output is correct
79 Correct 17 ms 23280 KB Output is correct
80 Correct 11 ms 23508 KB Output is correct
81 Correct 620 ms 24528 KB Output is correct
82 Correct 604 ms 24460 KB Output is correct
83 Correct 597 ms 24352 KB Output is correct
84 Correct 597 ms 24464 KB Output is correct
85 Correct 577 ms 24464 KB Output is correct
86 Correct 507 ms 24520 KB Output is correct
87 Correct 583 ms 24528 KB Output is correct
88 Correct 342 ms 24172 KB Output is correct
89 Correct 247 ms 24036 KB Output is correct
90 Correct 59 ms 23444 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 23760 KB Output is correct
2 Correct 9 ms 23372 KB Output is correct
3 Correct 10 ms 23508 KB Output is correct
4 Correct 13 ms 23508 KB Output is correct
5 Correct 10 ms 23496 KB Output is correct
6 Correct 11 ms 23500 KB Output is correct
7 Correct 504 ms 24468 KB Output is correct
8 Correct 573 ms 24452 KB Output is correct
9 Correct 570 ms 24448 KB Output is correct
10 Correct 612 ms 24456 KB Output is correct
11 Correct 587 ms 24784 KB Output is correct
12 Correct 630 ms 24780 KB Output is correct
13 Correct 206 ms 23872 KB Output is correct
14 Correct 203 ms 23784 KB Output is correct
15 Correct 12 ms 23508 KB Output is correct
16 Correct 9 ms 23516 KB Output is correct
17 Correct 565 ms 24352 KB Output is correct
18 Correct 375 ms 24176 KB Output is correct
19 Correct 357 ms 24020 KB Output is correct
20 Correct 5 ms 21596 KB Output is correct
21 Correct 6 ms 21644 KB Output is correct
22 Correct 5 ms 21596 KB Output is correct
23 Correct 9 ms 21596 KB Output is correct
24 Correct 7 ms 21596 KB Output is correct
25 Correct 6 ms 21592 KB Output is correct
26 Correct 7 ms 21596 KB Output is correct
27 Correct 5 ms 21596 KB Output is correct
28 Correct 6 ms 21596 KB Output is correct
29 Correct 6 ms 21592 KB Output is correct
30 Correct 6 ms 21596 KB Output is correct
31 Correct 5 ms 21596 KB Output is correct
32 Correct 5 ms 21596 KB Output is correct
33 Correct 6 ms 21596 KB Output is correct
34 Correct 6 ms 21592 KB Output is correct
35 Correct 8 ms 21596 KB Output is correct
36 Correct 5 ms 21596 KB Output is correct
37 Correct 5 ms 21596 KB Output is correct
38 Correct 6 ms 21596 KB Output is correct
39 Correct 5 ms 21596 KB Output is correct
40 Correct 5 ms 21596 KB Output is correct
41 Correct 6 ms 21596 KB Output is correct
42 Correct 6 ms 21844 KB Output is correct
43 Correct 6 ms 21596 KB Output is correct
44 Correct 7 ms 21596 KB Output is correct
45 Correct 7 ms 21596 KB Output is correct
46 Correct 7 ms 21596 KB Output is correct
47 Correct 6 ms 21796 KB Output is correct
48 Correct 7 ms 21596 KB Output is correct
49 Correct 7 ms 21588 KB Output is correct
50 Correct 6 ms 21596 KB Output is correct
51 Correct 7 ms 21592 KB Output is correct
52 Correct 6 ms 21596 KB Output is correct
53 Correct 6 ms 21596 KB Output is correct
54 Correct 7 ms 21780 KB Output is correct
55 Correct 7 ms 21596 KB Output is correct
56 Correct 5 ms 21592 KB Output is correct
57 Correct 6 ms 21624 KB Output is correct
58 Correct 6 ms 21592 KB Output is correct
59 Correct 7 ms 21596 KB Output is correct
60 Correct 6 ms 21596 KB Output is correct
61 Correct 7 ms 21596 KB Output is correct
62 Correct 7 ms 21596 KB Output is correct
63 Correct 6 ms 21596 KB Output is correct
64 Correct 7 ms 21592 KB Output is correct
65 Correct 5 ms 21596 KB Output is correct
66 Correct 7 ms 21596 KB Output is correct
67 Correct 7 ms 21596 KB Output is correct
68 Correct 10 ms 23508 KB Output is correct
69 Correct 10 ms 23376 KB Output is correct
70 Correct 11 ms 23508 KB Output is correct
71 Correct 12 ms 23504 KB Output is correct
72 Correct 10 ms 23508 KB Output is correct
73 Correct 9 ms 23508 KB Output is correct
74 Correct 9 ms 23504 KB Output is correct
75 Correct 11 ms 23500 KB Output is correct
76 Correct 9 ms 23504 KB Output is correct
77 Correct 9 ms 23508 KB Output is correct
78 Correct 11 ms 23508 KB Output is correct
79 Correct 17 ms 23280 KB Output is correct
80 Correct 11 ms 23508 KB Output is correct
81 Correct 620 ms 24528 KB Output is correct
82 Correct 604 ms 24460 KB Output is correct
83 Correct 597 ms 24352 KB Output is correct
84 Correct 597 ms 24464 KB Output is correct
85 Correct 577 ms 24464 KB Output is correct
86 Correct 507 ms 24520 KB Output is correct
87 Correct 583 ms 24528 KB Output is correct
88 Correct 342 ms 24172 KB Output is correct
89 Correct 247 ms 24036 KB Output is correct
90 Correct 59 ms 23444 KB Output is correct
91 Correct 11 ms 23504 KB Output is correct
92 Correct 12 ms 23508 KB Output is correct
93 Correct 12 ms 23508 KB Output is correct
94 Correct 14 ms 23508 KB Output is correct
95 Correct 12 ms 23508 KB Output is correct
96 Correct 14 ms 23508 KB Output is correct
97 Correct 11 ms 23508 KB Output is correct
98 Correct 10 ms 23508 KB Output is correct
99 Correct 11 ms 23508 KB Output is correct
100 Correct 10 ms 23508 KB Output is correct
101 Correct 11 ms 23508 KB Output is correct
102 Correct 12 ms 23376 KB Output is correct
103 Correct 11 ms 23508 KB Output is correct
104 Correct 629 ms 24708 KB Output is correct
105 Correct 693 ms 24460 KB Output is correct
106 Correct 653 ms 24460 KB Output is correct
107 Correct 572 ms 24460 KB Output is correct
108 Correct 397 ms 24192 KB Output is correct
109 Correct 347 ms 23972 KB Output is correct
110 Correct 202 ms 23752 KB Output is correct
111 Correct 48 ms 23500 KB Output is correct