oj.uz

Submission #994163

# Submission time Handle Problem Language Result Execution time Memory
994163 2024-06-07T08:05:51 Z bachhoangxuan Ski 2 (JOI24_ski2) C++17
100 / 100
 670 ms 666964 KB 
// Judges with GCC >= 12 only needs Ofast
// #pragma GCC optimize("O3,no-stack-protector,fast-math,unroll-loops,tree-vectorize")
// MLE optimization
// #pragma GCC optimize("conserve-stack")
// Old judges
// #pragma GCC target("sse4.2,popcnt,lzcnt,abm,mmx,fma,bmi,bmi2")
// New judges. Test with assert(__builtin_cpu_supports("avx2"));
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
// Atcoder
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma")
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
- insert(x),erase(x)
- find_by_order(k): return iterator to the k-th smallest element
- order_of_key(x): the number of elements that are strictly smaller
*/
#include<bits/stdc++.h>
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
uniform_real_distribution<> pp(0.0,1.0);
#define int long long
#define ld long double
#define pii pair<int,int>
#define piii pair<int,pii>
#define mpp make_pair
#define fi first
#define se second
const int inf=1e18;
const int mod=998244353;
const int maxn=305;
const int B=650;
const int maxs=655;
const int maxm=200005;
const int maxq=1000005;
const int maxl=25;
const int maxa=1000000;
const int root=3;
int power(int a,int n){
    int res=1;
    while(n){
        if(n&1) res=res*a%mod;
        a=a*a%mod;n>>=1;
    }
    return res;
}
const int iroot=power(3,mod-2);
const int base=101;

int H,N,K,X[3*maxn],C[3*maxn];
int dp[3*maxn][maxn][maxn];

int f(int i,int mx,int cnt){
    if(i>=H && !cnt) return 0;
    if(dp[i][mx][cnt]!=-1) return dp[i][mx][cnt];
    int cc=X[i+1]+cnt;
    dp[i][mx][cnt]=inf;
    if(cc<=mx) dp[i][mx][cnt]=f(i+1,mx,0);
    else{
        for(int d=mx;d<=cc;d++) if(C[i]!=inf || (d==mx)) dp[i][mx][cnt]=min(dp[i][mx][cnt],f(i+1,d,cc-d)+C[i]*(d-mx)+K*(cc-d));
    }
    //cout << i << ' ' << mx << ' ' << cnt << ' ' << dp[i][mx][cnt] << '\n';
    return dp[i][mx][cnt];
}

void solve(){
    cin >> N >> K;
    map<int,pii> mp;
    for(int i=1;i<=N;i++){
        int h,c;cin >> h >> c;h++;
        if(mp.find(h)==mp.end()) mp[h]={1,c};
        else{
            pii x=mp[h];x.fi++;
            x.se=min(x.se,c);
            mp[h]=x;
        }
    }
    int del=0,Max=0,pre=0;
    for(auto x:mp){
        pair<int,pii> it=x;
        //cout << it.fi << ' ' << it.se.fi << ' ' << it.se.se << '\n';
        it.fi-=del;
        if(it.fi>Max+pre){
            del+=it.fi-Max-pre;
            it.fi=Max+pre;
        }
        H=max(H,it.fi+1);
        X[it.fi+1]=it.se.fi;
        C[it.fi+1]=it.se.se;
        Max=max(Max,it.fi-pre);
        pre+=it.se.fi;
    }
    int S=Max+pre;
    //cout << H << ' ' << S << '\n';
    for(int i=0;i<=S;i++) if(!C[i]) C[i]=inf;
    for(int i=1;i<=S;i++){
        C[i]=min(C[i],C[i-1]);
        //cout << X[i] << ' ' << C[i] << '\n';
    }
    memset(dp,-1,sizeof(dp));
    cout << f(0,1,0) << '\n';
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    int test=1;//cin >> test;
    while(test--) solve();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 666752 KB Output is correct
2 Correct 203 ms 666708 KB Output is correct
3 Correct 196 ms 666708 KB Output is correct
4 Correct 190 ms 666704 KB Output is correct
5 Correct 205 ms 666704 KB Output is correct
6 Correct 195 ms 666708 KB Output is correct
7 Correct 546 ms 666708 KB Output is correct
8 Correct 632 ms 666704 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 624 ms 666760 KB Output is correct
2 Correct 617 ms 666708 KB Output is correct
3 Correct 611 ms 666964 KB Output is correct
4 Correct 636 ms 666708 KB Output is correct
5 Correct 352 ms 666756 KB Output is correct
6 Correct 362 ms 666708 KB Output is correct
7 Correct 201 ms 666600 KB Output is correct
8 Correct 195 ms 666708 KB Output is correct
9 Correct 588 ms 666636 KB Output is correct
10 Correct 481 ms 666708 KB Output is correct
11 Correct 474 ms 666752 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 666708 KB Output is correct
2 Correct 200 ms 666564 KB Output is correct
3 Correct 189 ms 666524 KB Output is correct
4 Correct 204 ms 666592 KB Output is correct
5 Correct 192 ms 666708 KB Output is correct
6 Correct 190 ms 666708 KB Output is correct
7 Correct 204 ms 666704 KB Output is correct
8 Correct 196 ms 666504 KB Output is correct
9 Correct 195 ms 666708 KB Output is correct
10 Correct 201 ms 666708 KB Output is correct
11 Correct 192 ms 666672 KB Output is correct
12 Correct 195 ms 666708 KB Output is correct
13 Correct 203 ms 666708 KB Output is correct
14 Correct 195 ms 666708 KB Output is correct
15 Correct 198 ms 666708 KB Output is correct
16 Correct 194 ms 666704 KB Output is correct
17 Correct 193 ms 666708 KB Output is correct
18 Correct 192 ms 666520 KB Output is correct
19 Correct 197 ms 666708 KB Output is correct
20 Correct 195 ms 666612 KB Output is correct
21 Correct 196 ms 666732 KB Output is correct
22 Correct 194 ms 666688 KB Output is correct
23 Correct 200 ms 666712 KB Output is correct

Subtask #4
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 666708 KB Output is correct
2 Correct 200 ms 666564 KB Output is correct
3 Correct 189 ms 666524 KB Output is correct
4 Correct 204 ms 666592 KB Output is correct
5 Correct 192 ms 666708 KB Output is correct
6 Correct 190 ms 666708 KB Output is correct
7 Correct 204 ms 666704 KB Output is correct
8 Correct 196 ms 666504 KB Output is correct
9 Correct 195 ms 666708 KB Output is correct
10 Correct 201 ms 666708 KB Output is correct
11 Correct 192 ms 666672 KB Output is correct
12 Correct 195 ms 666708 KB Output is correct
13 Correct 203 ms 666708 KB Output is correct
14 Correct 195 ms 666708 KB Output is correct
15 Correct 198 ms 666708 KB Output is correct
16 Correct 194 ms 666704 KB Output is correct
17 Correct 193 ms 666708 KB Output is correct
18 Correct 192 ms 666520 KB Output is correct
19 Correct 197 ms 666708 KB Output is correct
20 Correct 195 ms 666612 KB Output is correct
21 Correct 196 ms 666732 KB Output is correct
22 Correct 194 ms 666688 KB Output is correct
23 Correct 200 ms 666712 KB Output is correct
24 Correct 191 ms 666676 KB Output is correct
25 Correct 191 ms 666680 KB Output is correct
26 Correct 193 ms 666572 KB Output is correct
27 Correct 204 ms 666708 KB Output is correct
28 Correct 182 ms 666516 KB Output is correct
29 Correct 193 ms 666708 KB Output is correct
30 Correct 193 ms 666708 KB Output is correct
31 Correct 197 ms 666708 KB Output is correct
32 Correct 197 ms 666544 KB Output is correct
33 Correct 205 ms 666708 KB Output is correct
34 Correct 199 ms 666708 KB Output is correct
35 Correct 198 ms 666708 KB Output is correct
36 Correct 201 ms 666480 KB Output is correct
37 Correct 191 ms 666708 KB Output is correct
38 Correct 206 ms 666708 KB Output is correct
39 Correct 218 ms 666616 KB Output is correct
40 Correct 200 ms 666708 KB Output is correct
41 Correct 204 ms 666704 KB Output is correct
42 Correct 199 ms 666532 KB Output is correct
43 Correct 200 ms 666676 KB Output is correct
44 Correct 201 ms 666708 KB Output is correct
45 Correct 198 ms 666708 KB Output is correct
46 Correct 191 ms 666708 KB Output is correct
47 Correct 203 ms 666628 KB Output is correct
48 Correct 198 ms 666524 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 666752 KB Output is correct
2 Correct 203 ms 666708 KB Output is correct
3 Correct 196 ms 666708 KB Output is correct
4 Correct 190 ms 666704 KB Output is correct
5 Correct 205 ms 666704 KB Output is correct
6 Correct 195 ms 666708 KB Output is correct
7 Correct 546 ms 666708 KB Output is correct
8 Correct 632 ms 666704 KB Output is correct
9 Correct 624 ms 666760 KB Output is correct
10 Correct 617 ms 666708 KB Output is correct
11 Correct 611 ms 666964 KB Output is correct
12 Correct 636 ms 666708 KB Output is correct
13 Correct 352 ms 666756 KB Output is correct
14 Correct 362 ms 666708 KB Output is correct
15 Correct 201 ms 666600 KB Output is correct
16 Correct 195 ms 666708 KB Output is correct
17 Correct 588 ms 666636 KB Output is correct
18 Correct 481 ms 666708 KB Output is correct
19 Correct 474 ms 666752 KB Output is correct
20 Correct 195 ms 666708 KB Output is correct
21 Correct 200 ms 666564 KB Output is correct
22 Correct 189 ms 666524 KB Output is correct
23 Correct 204 ms 666592 KB Output is correct
24 Correct 192 ms 666708 KB Output is correct
25 Correct 190 ms 666708 KB Output is correct
26 Correct 204 ms 666704 KB Output is correct
27 Correct 196 ms 666504 KB Output is correct
28 Correct 195 ms 666708 KB Output is correct
29 Correct 201 ms 666708 KB Output is correct
30 Correct 192 ms 666672 KB Output is correct
31 Correct 195 ms 666708 KB Output is correct
32 Correct 203 ms 666708 KB Output is correct
33 Correct 195 ms 666708 KB Output is correct
34 Correct 198 ms 666708 KB Output is correct
35 Correct 194 ms 666704 KB Output is correct
36 Correct 193 ms 666708 KB Output is correct
37 Correct 192 ms 666520 KB Output is correct
38 Correct 197 ms 666708 KB Output is correct
39 Correct 195 ms 666612 KB Output is correct
40 Correct 196 ms 666732 KB Output is correct
41 Correct 194 ms 666688 KB Output is correct
42 Correct 200 ms 666712 KB Output is correct
43 Correct 191 ms 666676 KB Output is correct
44 Correct 191 ms 666680 KB Output is correct
45 Correct 193 ms 666572 KB Output is correct
46 Correct 204 ms 666708 KB Output is correct
47 Correct 182 ms 666516 KB Output is correct
48 Correct 193 ms 666708 KB Output is correct
49 Correct 193 ms 666708 KB Output is correct
50 Correct 197 ms 666708 KB Output is correct
51 Correct 197 ms 666544 KB Output is correct
52 Correct 205 ms 666708 KB Output is correct
53 Correct 199 ms 666708 KB Output is correct
54 Correct 198 ms 666708 KB Output is correct
55 Correct 201 ms 666480 KB Output is correct
56 Correct 191 ms 666708 KB Output is correct
57 Correct 206 ms 666708 KB Output is correct
58 Correct 218 ms 666616 KB Output is correct
59 Correct 200 ms 666708 KB Output is correct
60 Correct 204 ms 666704 KB Output is correct
61 Correct 199 ms 666532 KB Output is correct
62 Correct 200 ms 666676 KB Output is correct
63 Correct 201 ms 666708 KB Output is correct
64 Correct 198 ms 666708 KB Output is correct
65 Correct 191 ms 666708 KB Output is correct
66 Correct 203 ms 666628 KB Output is correct
67 Correct 198 ms 666524 KB Output is correct
68 Correct 190 ms 666636 KB Output is correct
69 Correct 199 ms 666628 KB Output is correct
70 Correct 198 ms 666708 KB Output is correct
71 Correct 190 ms 666708 KB Output is correct
72 Correct 204 ms 666708 KB Output is correct
73 Correct 198 ms 666708 KB Output is correct
74 Correct 189 ms 666708 KB Output is correct
75 Correct 201 ms 666856 KB Output is correct
76 Correct 192 ms 666708 KB Output is correct
77 Correct 194 ms 666708 KB Output is correct
78 Correct 199 ms 666708 KB Output is correct
79 Correct 194 ms 666664 KB Output is correct
80 Correct 198 ms 666708 KB Output is correct
81 Correct 670 ms 666736 KB Output is correct
82 Correct 610 ms 666708 KB Output is correct
83 Correct 622 ms 666708 KB Output is correct
84 Correct 639 ms 666708 KB Output is correct
85 Correct 624 ms 666960 KB Output is correct
86 Correct 592 ms 666620 KB Output is correct
87 Correct 661 ms 666764 KB Output is correct
88 Correct 471 ms 666692 KB Output is correct
89 Correct 374 ms 666528 KB Output is correct
90 Correct 232 ms 666768 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 666752 KB Output is correct
2 Correct 203 ms 666708 KB Output is correct
3 Correct 196 ms 666708 KB Output is correct
4 Correct 190 ms 666704 KB Output is correct
5 Correct 205 ms 666704 KB Output is correct
6 Correct 195 ms 666708 KB Output is correct
7 Correct 546 ms 666708 KB Output is correct
8 Correct 632 ms 666704 KB Output is correct
9 Correct 624 ms 666760 KB Output is correct
10 Correct 617 ms 666708 KB Output is correct
11 Correct 611 ms 666964 KB Output is correct
12 Correct 636 ms 666708 KB Output is correct
13 Correct 352 ms 666756 KB Output is correct
14 Correct 362 ms 666708 KB Output is correct
15 Correct 201 ms 666600 KB Output is correct
16 Correct 195 ms 666708 KB Output is correct
17 Correct 588 ms 666636 KB Output is correct
18 Correct 481 ms 666708 KB Output is correct
19 Correct 474 ms 666752 KB Output is correct
20 Correct 195 ms 666708 KB Output is correct
21 Correct 200 ms 666564 KB Output is correct
22 Correct 189 ms 666524 KB Output is correct
23 Correct 204 ms 666592 KB Output is correct
24 Correct 192 ms 666708 KB Output is correct
25 Correct 190 ms 666708 KB Output is correct
26 Correct 204 ms 666704 KB Output is correct
27 Correct 196 ms 666504 KB Output is correct
28 Correct 195 ms 666708 KB Output is correct
29 Correct 201 ms 666708 KB Output is correct
30 Correct 192 ms 666672 KB Output is correct
31 Correct 195 ms 666708 KB Output is correct
32 Correct 203 ms 666708 KB Output is correct
33 Correct 195 ms 666708 KB Output is correct
34 Correct 198 ms 666708 KB Output is correct
35 Correct 194 ms 666704 KB Output is correct
36 Correct 193 ms 666708 KB Output is correct
37 Correct 192 ms 666520 KB Output is correct
38 Correct 197 ms 666708 KB Output is correct
39 Correct 195 ms 666612 KB Output is correct
40 Correct 196 ms 666732 KB Output is correct
41 Correct 194 ms 666688 KB Output is correct
42 Correct 200 ms 666712 KB Output is correct
43 Correct 191 ms 666676 KB Output is correct
44 Correct 191 ms 666680 KB Output is correct
45 Correct 193 ms 666572 KB Output is correct
46 Correct 204 ms 666708 KB Output is correct
47 Correct 182 ms 666516 KB Output is correct
48 Correct 193 ms 666708 KB Output is correct
49 Correct 193 ms 666708 KB Output is correct
50 Correct 197 ms 666708 KB Output is correct
51 Correct 197 ms 666544 KB Output is correct
52 Correct 205 ms 666708 KB Output is correct
53 Correct 199 ms 666708 KB Output is correct
54 Correct 198 ms 666708 KB Output is correct
55 Correct 201 ms 666480 KB Output is correct
56 Correct 191 ms 666708 KB Output is correct
57 Correct 206 ms 666708 KB Output is correct
58 Correct 218 ms 666616 KB Output is correct
59 Correct 200 ms 666708 KB Output is correct
60 Correct 204 ms 666704 KB Output is correct
61 Correct 199 ms 666532 KB Output is correct
62 Correct 200 ms 666676 KB Output is correct
63 Correct 201 ms 666708 KB Output is correct
64 Correct 198 ms 666708 KB Output is correct
65 Correct 191 ms 666708 KB Output is correct
66 Correct 203 ms 666628 KB Output is correct
67 Correct 198 ms 666524 KB Output is correct
68 Correct 190 ms 666636 KB Output is correct
69 Correct 199 ms 666628 KB Output is correct
70 Correct 198 ms 666708 KB Output is correct
71 Correct 190 ms 666708 KB Output is correct
72 Correct 204 ms 666708 KB Output is correct
73 Correct 198 ms 666708 KB Output is correct
74 Correct 189 ms 666708 KB Output is correct
75 Correct 201 ms 666856 KB Output is correct
76 Correct 192 ms 666708 KB Output is correct
77 Correct 194 ms 666708 KB Output is correct
78 Correct 199 ms 666708 KB Output is correct
79 Correct 194 ms 666664 KB Output is correct
80 Correct 198 ms 666708 KB Output is correct
81 Correct 670 ms 666736 KB Output is correct
82 Correct 610 ms 666708 KB Output is correct
83 Correct 622 ms 666708 KB Output is correct
84 Correct 639 ms 666708 KB Output is correct
85 Correct 624 ms 666960 KB Output is correct
86 Correct 592 ms 666620 KB Output is correct
87 Correct 661 ms 666764 KB Output is correct
88 Correct 471 ms 666692 KB Output is correct
89 Correct 374 ms 666528 KB Output is correct
90 Correct 232 ms 666768 KB Output is correct
91 Correct 201 ms 666708 KB Output is correct
92 Correct 197 ms 666652 KB Output is correct
93 Correct 201 ms 666708 KB Output is correct
94 Correct 194 ms 666752 KB Output is correct
95 Correct 194 ms 666708 KB Output is correct
96 Correct 188 ms 666708 KB Output is correct
97 Correct 202 ms 666708 KB Output is correct
98 Correct 193 ms 666708 KB Output is correct
99 Correct 193 ms 666712 KB Output is correct
100 Correct 193 ms 666592 KB Output is correct
101 Correct 190 ms 666828 KB Output is correct
102 Correct 190 ms 666648 KB Output is correct
103 Correct 194 ms 666708 KB Output is correct
104 Correct 630 ms 666740 KB Output is correct
105 Correct 637 ms 666708 KB Output is correct
106 Correct 617 ms 666708 KB Output is correct
107 Correct 609 ms 666708 KB Output is correct
108 Correct 430 ms 666708 KB Output is correct
109 Correct 365 ms 666708 KB Output is correct
110 Correct 307 ms 666708 KB Output is correct
111 Correct 227 ms 666744 KB Output is correct