oj.uz

Submission #994168

# Submission time Handle Problem Language Result Execution time Memory
994168 2024-06-07T08:13:53 Z bachhoangxuan Escape Route 2 (JOI24_escape2) C++17
100 / 100
 665 ms 233260 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 ll long long
#define ld long double
#define pii pair<int,int>
#define pil pair<int,ll>
#define piii pair<int,pii>
#define mpp make_pair
#define fi first
#define se second
const ll inf=1e18;
const int mod=998244353;
const int maxn=100005;
const int B=50;
const int maxs=655;
const int maxm=200005;
const int maxq=300005;
const int maxl=25;
const int maxa=1000000;
const int root=3;
const int base=101;

int N,T,Q,M[maxn];
vector<pii> P[maxn];
vector<int> jmp[maxn];
vector<pil> tree[4*maxn];

void build(int l,int r,int id){
    if(l==r){
        for(int i=0;i<M[l];i++) tree[id].push_back({i,P[l][i].se-P[l][i].fi});
        return;
    }
    int mid=(l+r)>>1;
    build(l,mid,id<<1);build(mid+1,r,id<<1|1);
    for(int i=0;i<M[l];i++){
        auto [p,val]=tree[id<<1][i];
        int cc=P[mid][p].se,pos=jmp[mid][p];
        int nxt=P[mid+1][pos].fi;
        tree[id].push_back({tree[id<<1|1][pos].fi,val+(nxt-cc+T)%T+tree[id<<1|1][pos].se});
    }
}
pil query(int l,int r,int id,int tl,int tr,pil cur){
    if(tr<l || r<tl) return cur;
    if(tl<=l && r<=tr){
        auto [p,val]=cur;
        int cc=P[l-1][p].se,pos=jmp[l-1][p];
        int nxt=P[l][pos].fi;
        return {tree[id][pos].fi,val+(nxt-cc+T)%T+tree[id][pos].se};
    }
    int mid=(l+r)>>1;
    return query(mid+1,r,id<<1|1,tl,tr,query(l,mid,id<<1,tl,tr,cur));
}

int f[maxn],cnt;
ll D[2005][maxn];

void build_ans(int i){
    int t=f[i];
    vector<ll> cur(M[i]);
    D[t][i]=inf;
    for(int j=0;j<M[i];j++){
        cur[j]=P[i][j].se-P[i][j].fi;
        D[t][i]=min(D[t][i],cur[j]);
    }
    for(int r=i+1;r<N;r++){
        D[t][r]=inf;
        vector<ll> nw(M[r],inf);
        for(int j=0;j<M[r-1];j++){
            if(cur[j]==inf) continue;
            int cc=P[r-1][j].se,pos=jmp[r-1][j];
            int nxt=P[r][pos].fi;
            nw[pos]=min(nw[pos],cur[j]+(nxt-cc+T)%T+P[r][pos].se-P[r][pos].fi);
        }
        swap(cur,nw);
        for(int j=0;j<M[r];j++) D[t][r]=min(D[t][r],cur[j]);
    }
}

void solve(){
    cin >> N >> T;
    for(int i=1;i<N;i++){
        cin >> M[i];
        P[i].resize(M[i]);
        for(int j=0;j<M[i];j++) cin >> P[i][j].fi >> P[i][j].se;
        sort(P[i].begin(),P[i].end());
        vector<pii> cc;
        for(auto [x,y]:P[i]){
            while(!cc.empty() && cc.back().se>=y) cc.pop_back();
            if(cc.empty() || cc.back().fi!=x) cc.push_back({x,y});
        }
        P[i]=cc;
        M[i]=(int)cc.size();
        if(M[i]>B) f[i]=++cnt;
    }
    for(int i=1;i<N-1;i++){
        jmp[i].resize(M[i]);
        for(int j=0;j<M[i];j++){
            int cc=P[i][j].se;
            int pos=lower_bound(P[i+1].begin(),P[i+1].end(),mpp(cc,0))-P[i+1].begin();
            jmp[i][j]=pos%M[i+1];
        }
    }
    for(int i=1;i<N;i++){
        if(M[i]>B) build_ans(i);
    }
    build(1,N-1,1);
    cin >> Q;
    for(int i=1;i<=Q;i++){
        int l,r;cin >> l >> r;r--;
        if(M[l]<=B){
            ll ans=inf;
            for(int j=0;j<M[l];j++){
                if(l+1<=r) ans=min(ans,query(1,N-1,1,l+1,r,{j,P[l][j].se-P[l][j].fi}).se);
                else ans=min(ans,1LL*(P[l][j].se-P[l][j].fi));
            }
            cout << ans << '\n';
        }
        else cout << D[f[l]][r] << '\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
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 16728 KB Output is correct
2 Correct 41 ms 21076 KB Output is correct
3 Correct 79 ms 21844 KB Output is correct
4 Correct 102 ms 23636 KB Output is correct
5 Correct 101 ms 22196 KB Output is correct
6 Correct 106 ms 23636 KB Output is correct
7 Correct 115 ms 23632 KB Output is correct
8 Correct 80 ms 22004 KB Output is correct
9 Correct 108 ms 23636 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 16728 KB Output is correct
2 Correct 41 ms 21076 KB Output is correct
3 Correct 79 ms 21844 KB Output is correct
4 Correct 102 ms 23636 KB Output is correct
5 Correct 101 ms 22196 KB Output is correct
6 Correct 106 ms 23636 KB Output is correct
7 Correct 115 ms 23632 KB Output is correct
8 Correct 80 ms 22004 KB Output is correct
9 Correct 108 ms 23636 KB Output is correct
10 Correct 3 ms 16732 KB Output is correct
11 Correct 233 ms 22560 KB Output is correct
12 Correct 183 ms 22616 KB Output is correct
13 Correct 175 ms 22696 KB Output is correct
14 Correct 198 ms 22508 KB Output is correct
15 Correct 143 ms 22864 KB Output is correct
16 Correct 38 ms 20824 KB Output is correct
17 Correct 105 ms 23376 KB Output is correct
18 Correct 140 ms 22868 KB Output is correct
19 Correct 116 ms 23224 KB Output is correct
20 Correct 160 ms 22936 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 16728 KB Output is correct
2 Correct 41 ms 21076 KB Output is correct
3 Correct 79 ms 21844 KB Output is correct
4 Correct 102 ms 23636 KB Output is correct
5 Correct 101 ms 22196 KB Output is correct
6 Correct 106 ms 23636 KB Output is correct
7 Correct 115 ms 23632 KB Output is correct
8 Correct 80 ms 22004 KB Output is correct
9 Correct 108 ms 23636 KB Output is correct
10 Correct 245 ms 33848 KB Output is correct
11 Correct 354 ms 39504 KB Output is correct
12 Correct 336 ms 39408 KB Output is correct
13 Correct 255 ms 37236 KB Output is correct
14 Correct 384 ms 39248 KB Output is correct
15 Correct 311 ms 39504 KB Output is correct
16 Correct 229 ms 33712 KB Output is correct
17 Correct 325 ms 39508 KB Output is correct
18 Correct 100 ms 32336 KB Output is correct
19 Correct 127 ms 32084 KB Output is correct
20 Correct 137 ms 32336 KB Output is correct
21 Correct 137 ms 32384 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 16728 KB Output is correct
2 Correct 41 ms 21076 KB Output is correct
3 Correct 79 ms 21844 KB Output is correct
4 Correct 102 ms 23636 KB Output is correct
5 Correct 101 ms 22196 KB Output is correct
6 Correct 106 ms 23636 KB Output is correct
7 Correct 115 ms 23632 KB Output is correct
8 Correct 80 ms 22004 KB Output is correct
9 Correct 108 ms 23636 KB Output is correct
10 Correct 3 ms 16732 KB Output is correct
11 Correct 233 ms 22560 KB Output is correct
12 Correct 183 ms 22616 KB Output is correct
13 Correct 175 ms 22696 KB Output is correct
14 Correct 198 ms 22508 KB Output is correct
15 Correct 143 ms 22864 KB Output is correct
16 Correct 38 ms 20824 KB Output is correct
17 Correct 105 ms 23376 KB Output is correct
18 Correct 140 ms 22868 KB Output is correct
19 Correct 116 ms 23224 KB Output is correct
20 Correct 160 ms 22936 KB Output is correct
21 Correct 245 ms 33848 KB Output is correct
22 Correct 354 ms 39504 KB Output is correct
23 Correct 336 ms 39408 KB Output is correct
24 Correct 255 ms 37236 KB Output is correct
25 Correct 384 ms 39248 KB Output is correct
26 Correct 311 ms 39504 KB Output is correct
27 Correct 229 ms 33712 KB Output is correct
28 Correct 325 ms 39508 KB Output is correct
29 Correct 100 ms 32336 KB Output is correct
30 Correct 127 ms 32084 KB Output is correct
31 Correct 137 ms 32336 KB Output is correct
32 Correct 137 ms 32384 KB Output is correct
33 Correct 414 ms 33252 KB Output is correct
34 Correct 450 ms 33108 KB Output is correct
35 Correct 439 ms 31656 KB Output is correct
36 Correct 442 ms 31568 KB Output is correct
37 Correct 347 ms 33512 KB Output is correct
38 Correct 241 ms 31516 KB Output is correct
39 Correct 297 ms 35824 KB Output is correct
40 Correct 324 ms 30288 KB Output is correct
41 Correct 217 ms 31568 KB Output is correct
42 Correct 301 ms 35664 KB Output is correct
43 Correct 297 ms 30804 KB Output is correct
44 Correct 348 ms 32228 KB Output is correct
45 Correct 163 ms 29428 KB Output is correct
46 Correct 188 ms 27372 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 16732 KB Output is correct
2 Correct 4 ms 16732 KB Output is correct
3 Correct 108 ms 200696 KB Output is correct
4 Correct 104 ms 212868 KB Output is correct
5 Correct 108 ms 198696 KB Output is correct
6 Correct 126 ms 202652 KB Output is correct
7 Correct 105 ms 200788 KB Output is correct
8 Correct 69 ms 198228 KB Output is correct
9 Correct 66 ms 144208 KB Output is correct
10 Correct 33 ms 23032 KB Output is correct
11 Correct 113 ms 32448 KB Output is correct
12 Correct 116 ms 29500 KB Output is correct
13 Correct 137 ms 27372 KB Output is correct
14 Correct 80 ms 30800 KB Output is correct
15 Correct 100 ms 30464 KB Output is correct
16 Correct 228 ms 187216 KB Output is correct
17 Correct 140 ms 50960 KB Output is correct
18 Correct 218 ms 190408 KB Output is correct
19 Correct 111 ms 182784 KB Output is correct
20 Correct 152 ms 153340 KB Output is correct
21 Correct 189 ms 153580 KB Output is correct
22 Correct 152 ms 153376 KB Output is correct
23 Correct 241 ms 153424 KB Output is correct
24 Correct 75 ms 33896 KB Output is correct
25 Correct 54 ms 33544 KB Output is correct
26 Correct 85 ms 36992 KB Output is correct
27 Correct 100 ms 31852 KB Output is correct
28 Correct 168 ms 32344 KB Output is correct
29 Correct 125 ms 32240 KB Output is correct
30 Correct 83 ms 26196 KB Output is correct
31 Correct 62 ms 28892 KB Output is correct
32 Correct 146 ms 22096 KB Output is correct
33 Correct 89 ms 24916 KB Output is correct
34 Correct 205 ms 21260 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 16728 KB Output is correct
2 Correct 41 ms 21076 KB Output is correct
3 Correct 79 ms 21844 KB Output is correct
4 Correct 102 ms 23636 KB Output is correct
5 Correct 101 ms 22196 KB Output is correct
6 Correct 106 ms 23636 KB Output is correct
7 Correct 115 ms 23632 KB Output is correct
8 Correct 80 ms 22004 KB Output is correct
9 Correct 108 ms 23636 KB Output is correct
10 Correct 3 ms 16732 KB Output is correct
11 Correct 233 ms 22560 KB Output is correct
12 Correct 183 ms 22616 KB Output is correct
13 Correct 175 ms 22696 KB Output is correct
14 Correct 198 ms 22508 KB Output is correct
15 Correct 143 ms 22864 KB Output is correct
16 Correct 38 ms 20824 KB Output is correct
17 Correct 105 ms 23376 KB Output is correct
18 Correct 140 ms 22868 KB Output is correct
19 Correct 116 ms 23224 KB Output is correct
20 Correct 160 ms 22936 KB Output is correct
21 Correct 245 ms 33848 KB Output is correct
22 Correct 354 ms 39504 KB Output is correct
23 Correct 336 ms 39408 KB Output is correct
24 Correct 255 ms 37236 KB Output is correct
25 Correct 384 ms 39248 KB Output is correct
26 Correct 311 ms 39504 KB Output is correct
27 Correct 229 ms 33712 KB Output is correct
28 Correct 325 ms 39508 KB Output is correct
29 Correct 100 ms 32336 KB Output is correct
30 Correct 127 ms 32084 KB Output is correct
31 Correct 137 ms 32336 KB Output is correct
32 Correct 137 ms 32384 KB Output is correct
33 Correct 414 ms 33252 KB Output is correct
34 Correct 450 ms 33108 KB Output is correct
35 Correct 439 ms 31656 KB Output is correct
36 Correct 442 ms 31568 KB Output is correct
37 Correct 347 ms 33512 KB Output is correct
38 Correct 241 ms 31516 KB Output is correct
39 Correct 297 ms 35824 KB Output is correct
40 Correct 324 ms 30288 KB Output is correct
41 Correct 217 ms 31568 KB Output is correct
42 Correct 301 ms 35664 KB Output is correct
43 Correct 297 ms 30804 KB Output is correct
44 Correct 348 ms 32228 KB Output is correct
45 Correct 163 ms 29428 KB Output is correct
46 Correct 188 ms 27372 KB Output is correct
47 Correct 4 ms 16732 KB Output is correct
48 Correct 4 ms 16732 KB Output is correct
49 Correct 108 ms 200696 KB Output is correct
50 Correct 104 ms 212868 KB Output is correct
51 Correct 108 ms 198696 KB Output is correct
52 Correct 126 ms 202652 KB Output is correct
53 Correct 105 ms 200788 KB Output is correct
54 Correct 69 ms 198228 KB Output is correct
55 Correct 66 ms 144208 KB Output is correct
56 Correct 33 ms 23032 KB Output is correct
57 Correct 113 ms 32448 KB Output is correct
58 Correct 116 ms 29500 KB Output is correct
59 Correct 137 ms 27372 KB Output is correct
60 Correct 80 ms 30800 KB Output is correct
61 Correct 100 ms 30464 KB Output is correct
62 Correct 228 ms 187216 KB Output is correct
63 Correct 140 ms 50960 KB Output is correct
64 Correct 218 ms 190408 KB Output is correct
65 Correct 111 ms 182784 KB Output is correct
66 Correct 152 ms 153340 KB Output is correct
67 Correct 189 ms 153580 KB Output is correct
68 Correct 152 ms 153376 KB Output is correct
69 Correct 241 ms 153424 KB Output is correct
70 Correct 75 ms 33896 KB Output is correct
71 Correct 54 ms 33544 KB Output is correct
72 Correct 85 ms 36992 KB Output is correct
73 Correct 100 ms 31852 KB Output is correct
74 Correct 168 ms 32344 KB Output is correct
75 Correct 125 ms 32240 KB Output is correct
76 Correct 83 ms 26196 KB Output is correct
77 Correct 62 ms 28892 KB Output is correct
78 Correct 146 ms 22096 KB Output is correct
79 Correct 89 ms 24916 KB Output is correct
80 Correct 205 ms 21260 KB Output is correct
81 Correct 194 ms 212304 KB Output is correct
82 Correct 196 ms 212308 KB Output is correct
83 Correct 231 ms 211980 KB Output is correct
84 Correct 202 ms 189780 KB Output is correct
85 Correct 224 ms 191748 KB Output is correct
86 Correct 153 ms 189804 KB Output is correct
87 Correct 178 ms 190804 KB Output is correct
88 Correct 273 ms 212044 KB Output is correct
89 Correct 256 ms 214300 KB Output is correct
90 Correct 140 ms 209236 KB Output is correct
91 Correct 93 ms 24876 KB Output is correct
92 Correct 231 ms 36368 KB Output is correct
93 Correct 327 ms 36748 KB Output is correct
94 Correct 431 ms 233260 KB Output is correct
95 Correct 292 ms 32336 KB Output is correct
96 Correct 601 ms 214528 KB Output is correct
97 Correct 234 ms 212304 KB Output is correct
98 Correct 231 ms 194132 KB Output is correct
99 Correct 340 ms 194364 KB Output is correct
100 Correct 214 ms 67924 KB Output is correct
101 Correct 286 ms 222224 KB Output is correct
102 Correct 184 ms 39468 KB Output is correct
103 Correct 142 ms 39640 KB Output is correct
104 Correct 195 ms 33364 KB Output is correct
105 Correct 180 ms 30496 KB Output is correct
106 Correct 182 ms 24244 KB Output is correct
107 Correct 439 ms 27092 KB Output is correct
108 Correct 288 ms 22944 KB Output is correct
109 Correct 665 ms 25776 KB Output is correct