oj.uz

Submission #1034259

# Submission time Handle Problem Language Result Execution time Memory
1034259 2024-07-25T11:22:20 Z Antekb Escape Route 2 (JOI24_escape2) C++17
54 / 100
 3000 ms 70928 KB 
#include "bits/stdc++.h"	/** keep-include */
using namespace std;

#define rep(i, b, e) for(int i = (b); i <= (e); i++)
#define per(i, b, e) for(int i = (e); i >= (b); i--)
#define FOR(i, b, e) rep(i, b, (e) - 1)
#define SZ(x) int(x.size())
#define all(x) x.begin(), x.end()
#define pb push_back
#define mp make_pair
#define st first
#define nd second
using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;

auto &operator<<(auto &o, pair<auto, auto> p) {
	return o << "(" << p.st << ", " << p.nd << ")"; }
auto operator<<(auto &o, auto x)->decltype(end(x), o) {
	o << "{"; int i=0; for(auto e: x) o << ", " + 2*!i++ << e;
	return o << "}"; }
#ifdef LOCAL
#define deb(x...) cerr << "[" #x "]: ", [](auto...$) { \
	((cerr << $ << "; "),...) << endl; }(x)
#else
#define deb(...)
#endif

const int K=19, N=3e5+5;

vector<pii> loty[N];
vector<int> id[N];
int nxt[K][N];
ll czas[K][N];

pair<int, ll> jump(int v, int t){
    ll res=0;
    for(int k=K-1; k>=0; k--){
        if(t>=(1<<k)){
            res+=czas[k][v];
            v=nxt[k][v];
            t-=(1<<k);
        }
    }
    return mp(v, res);
}

void solve() {
	int n, t;
    cin>>n>>t;
    vector<pair<pii, int> > co;
    co.pb(mp(mp(0, 0), 0));
    for(int i=1; i<n; i++){
        int k;
        cin>>k;
        vector<pair<int, int> > V(k);
        for(auto &j:V){
            cin>>j.st>>j.nd;
        }
        sort(all(V));
        vector<pii> V2;
        for(auto &j:V){
            while(V2.size() && V2.back().nd>=j.nd){
                V2.pop_back();
            }
            V2.pb(j);
        }
        k=V2.size();
        for(int j=0; j<k; j++){
            id[i].pb(co.size());
            co.pb(mp(V2[j], i));
        }
        loty[i]=V2;
    }

    for(int j=1; j<co.size(); j++){
        auto &[seg, i] = co[j];
        if(i!=n-1){
            auto it=lower_bound(all(loty[i+1]), mp(seg.nd, 0));
            if(it==loty[i+1].end()){
                it=loty[i+1].begin();
                nxt[0][j]=id[i+1][it-loty[i+1].begin()];
                czas[0][j]=it->nd-seg.nd+t;
                deb(czas[0][j], it->nd, seg.nd,t);
            }
            else{
                nxt[0][j]=id[i+1][it-loty[i+1].begin()];
                czas[0][j]=it->nd-seg.nd;
            }
        }
        deb(j, seg, i, co[nxt[0][j]], czas[0][j]);
    }
    for(int k=1; k<K; k++){
        for(int i=1; i<co.size(); i++){
            nxt[k][i]=nxt[k-1][nxt[k-1][i]];
            czas[k][i]=czas[k-1][i]+czas[k-1][nxt[k-1][i]];
        }
    }
    map<pair<int, int> , ll> old_ans;
    int q;
    cin>>q;
    while(q--){
        int l, r;
        cin>>l>>r;
        if(old_ans.find(mp(l, r))!=old_ans.end()){
            cout<<old_ans[mp(l, r)]<<"\n";
            continue;
        }
        ll ans=1e18;
        for(int i=0; i<loty[l].size(); i++){
            ll part=loty[l][i].nd-loty[l][i].st;
            int lot=id[l][i];
            deb(lot);
            /*for(int j=l+1; j<r; j++){
                part+=czas[0][lot];
                lot=nxt[0][lot];
            }*/
            part+=jump(lot, r-l-1).nd;
            //deb(part);
            ans=min(ans, part);
        }
        old_ans[mp(l, r)]=ans;
        cout<<ans<<"\n";
    }
}

int main() {
	cin.tie(0)->sync_with_stdio(0);
	int tt = 1;
	// cin >> tt;
	FOR(te, 0, tt) solve();
	return 0;
}

Compilation message

Main.cpp:17:18: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   17 | auto &operator<<(auto &o, pair<auto, auto> p) {
      |                  ^~~~
Main.cpp:17:32: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   17 | auto &operator<<(auto &o, pair<auto, auto> p) {
      |                                ^~~~
Main.cpp:17:38: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   17 | auto &operator<<(auto &o, pair<auto, auto> p) {
      |                                      ^~~~
Main.cpp:19:17: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   19 | auto operator<<(auto &o, auto x)->decltype(end(x), o) {
      |                 ^~~~
Main.cpp:19:26: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   19 | auto operator<<(auto &o, auto x)->decltype(end(x), o) {
      |                          ^~~~
Main.cpp: In function 'void solve()':
Main.cpp:76:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |     for(int j=1; j<co.size(); j++){
      |                  ~^~~~~~~~~~
Main.cpp:94:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |         for(int i=1; i<co.size(); i++){
      |                      ~^~~~~~~~~~
Main.cpp:110:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  110 |         for(int i=0; i<loty[l].size(); i++){
      |                      ~^~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 14680 KB Output is correct
2 Correct 38 ms 18404 KB Output is correct
3 Correct 147 ms 32848 KB Output is correct
4 Correct 217 ms 38496 KB Output is correct
5 Correct 160 ms 33620 KB Output is correct
6 Correct 190 ms 38244 KB Output is correct
7 Correct 193 ms 38228 KB Output is correct
8 Correct 137 ms 32340 KB Output is correct
9 Correct 239 ms 38116 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 14680 KB Output is correct
2 Correct 38 ms 18404 KB Output is correct
3 Correct 147 ms 32848 KB Output is correct
4 Correct 217 ms 38496 KB Output is correct
5 Correct 160 ms 33620 KB Output is correct
6 Correct 190 ms 38244 KB Output is correct
7 Correct 193 ms 38228 KB Output is correct
8 Correct 137 ms 32340 KB Output is correct
9 Correct 239 ms 38116 KB Output is correct
10 Correct 7 ms 14680 KB Output is correct
11 Correct 161 ms 25112 KB Output is correct
12 Correct 146 ms 24912 KB Output is correct
13 Correct 133 ms 23632 KB Output is correct
14 Correct 159 ms 23636 KB Output is correct
15 Correct 179 ms 30292 KB Output is correct
16 Correct 36 ms 17748 KB Output is correct
17 Correct 177 ms 35688 KB Output is correct
18 Correct 170 ms 30800 KB Output is correct
19 Correct 209 ms 35280 KB Output is correct
20 Correct 167 ms 29520 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 14680 KB Output is correct
2 Correct 38 ms 18404 KB Output is correct
3 Correct 147 ms 32848 KB Output is correct
4 Correct 217 ms 38496 KB Output is correct
5 Correct 160 ms 33620 KB Output is correct
6 Correct 190 ms 38244 KB Output is correct
7 Correct 193 ms 38228 KB Output is correct
8 Correct 137 ms 32340 KB Output is correct
9 Correct 239 ms 38116 KB Output is correct
10 Correct 204 ms 52808 KB Output is correct
11 Correct 329 ms 66444 KB Output is correct
12 Correct 345 ms 66308 KB Output is correct
13 Correct 279 ms 64768 KB Output is correct
14 Correct 464 ms 70928 KB Output is correct
15 Correct 404 ms 70912 KB Output is correct
16 Correct 266 ms 56580 KB Output is correct
17 Correct 377 ms 70900 KB Output is correct
18 Correct 130 ms 49920 KB Output is correct
19 Correct 110 ms 49180 KB Output is correct
20 Correct 142 ms 50236 KB Output is correct
21 Correct 125 ms 50188 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 14680 KB Output is correct
2 Correct 38 ms 18404 KB Output is correct
3 Correct 147 ms 32848 KB Output is correct
4 Correct 217 ms 38496 KB Output is correct
5 Correct 160 ms 33620 KB Output is correct
6 Correct 190 ms 38244 KB Output is correct
7 Correct 193 ms 38228 KB Output is correct
8 Correct 137 ms 32340 KB Output is correct
9 Correct 239 ms 38116 KB Output is correct
10 Correct 7 ms 14680 KB Output is correct
11 Correct 161 ms 25112 KB Output is correct
12 Correct 146 ms 24912 KB Output is correct
13 Correct 133 ms 23632 KB Output is correct
14 Correct 159 ms 23636 KB Output is correct
15 Correct 179 ms 30292 KB Output is correct
16 Correct 36 ms 17748 KB Output is correct
17 Correct 177 ms 35688 KB Output is correct
18 Correct 170 ms 30800 KB Output is correct
19 Correct 209 ms 35280 KB Output is correct
20 Correct 167 ms 29520 KB Output is correct
21 Correct 204 ms 52808 KB Output is correct
22 Correct 329 ms 66444 KB Output is correct
23 Correct 345 ms 66308 KB Output is correct
24 Correct 279 ms 64768 KB Output is correct
25 Correct 464 ms 70928 KB Output is correct
26 Correct 404 ms 70912 KB Output is correct
27 Correct 266 ms 56580 KB Output is correct
28 Correct 377 ms 70900 KB Output is correct
29 Correct 130 ms 49920 KB Output is correct
30 Correct 110 ms 49180 KB Output is correct
31 Correct 142 ms 50236 KB Output is correct
32 Correct 125 ms 50188 KB Output is correct
33 Correct 388 ms 65652 KB Output is correct
34 Correct 461 ms 65540 KB Output is correct
35 Correct 402 ms 62976 KB Output is correct
36 Correct 404 ms 62984 KB Output is correct
37 Correct 470 ms 64136 KB Output is correct
38 Correct 249 ms 54780 KB Output is correct
39 Correct 370 ms 63988 KB Output is correct
40 Correct 299 ms 53484 KB Output is correct
41 Correct 272 ms 55556 KB Output is correct
42 Correct 394 ms 66308 KB Output is correct
43 Correct 270 ms 56096 KB Output is correct
44 Correct 373 ms 60796 KB Output is correct
45 Correct 116 ms 48996 KB Output is correct
46 Correct 112 ms 46760 KB Output is correct

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 14684 KB Output is correct
2 Correct 8 ms 14684 KB Output is correct
3 Correct 263 ms 43272 KB Output is correct
4 Correct 277 ms 43284 KB Output is correct
5 Correct 280 ms 43188 KB Output is correct
6 Correct 249 ms 43164 KB Output is correct
7 Correct 262 ms 43104 KB Output is correct
8 Correct 163 ms 31908 KB Output is correct
9 Correct 267 ms 43264 KB Output is correct
10 Correct 51 ms 28116 KB Output is correct
11 Correct 120 ms 51204 KB Output is correct
12 Correct 127 ms 49264 KB Output is correct
13 Correct 112 ms 47360 KB Output is correct
14 Correct 120 ms 45316 KB Output is correct
15 Correct 98 ms 44552 KB Output is correct
16 Correct 101 ms 47360 KB Output is correct
17 Correct 107 ms 46592 KB Output is correct
18 Correct 155 ms 43968 KB Output is correct
19 Correct 177 ms 42564 KB Output is correct
20 Correct 87 ms 44548 KB Output is correct
21 Correct 110 ms 46476 KB Output is correct
22 Correct 130 ms 43268 KB Output is correct
23 Correct 143 ms 45112 KB Output is correct
24 Execution timed out 3073 ms 42016 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 14680 KB Output is correct
2 Correct 38 ms 18404 KB Output is correct
3 Correct 147 ms 32848 KB Output is correct
4 Correct 217 ms 38496 KB Output is correct
5 Correct 160 ms 33620 KB Output is correct
6 Correct 190 ms 38244 KB Output is correct
7 Correct 193 ms 38228 KB Output is correct
8 Correct 137 ms 32340 KB Output is correct
9 Correct 239 ms 38116 KB Output is correct
10 Correct 7 ms 14680 KB Output is correct
11 Correct 161 ms 25112 KB Output is correct
12 Correct 146 ms 24912 KB Output is correct
13 Correct 133 ms 23632 KB Output is correct
14 Correct 159 ms 23636 KB Output is correct
15 Correct 179 ms 30292 KB Output is correct
16 Correct 36 ms 17748 KB Output is correct
17 Correct 177 ms 35688 KB Output is correct
18 Correct 170 ms 30800 KB Output is correct
19 Correct 209 ms 35280 KB Output is correct
20 Correct 167 ms 29520 KB Output is correct
21 Correct 204 ms 52808 KB Output is correct
22 Correct 329 ms 66444 KB Output is correct
23 Correct 345 ms 66308 KB Output is correct
24 Correct 279 ms 64768 KB Output is correct
25 Correct 464 ms 70928 KB Output is correct
26 Correct 404 ms 70912 KB Output is correct
27 Correct 266 ms 56580 KB Output is correct
28 Correct 377 ms 70900 KB Output is correct
29 Correct 130 ms 49920 KB Output is correct
30 Correct 110 ms 49180 KB Output is correct
31 Correct 142 ms 50236 KB Output is correct
32 Correct 125 ms 50188 KB Output is correct
33 Correct 388 ms 65652 KB Output is correct
34 Correct 461 ms 65540 KB Output is correct
35 Correct 402 ms 62976 KB Output is correct
36 Correct 404 ms 62984 KB Output is correct
37 Correct 470 ms 64136 KB Output is correct
38 Correct 249 ms 54780 KB Output is correct
39 Correct 370 ms 63988 KB Output is correct
40 Correct 299 ms 53484 KB Output is correct
41 Correct 272 ms 55556 KB Output is correct
42 Correct 394 ms 66308 KB Output is correct
43 Correct 270 ms 56096 KB Output is correct
44 Correct 373 ms 60796 KB Output is correct
45 Correct 116 ms 48996 KB Output is correct
46 Correct 112 ms 46760 KB Output is correct
47 Correct 6 ms 14684 KB Output is correct
48 Correct 8 ms 14684 KB Output is correct
49 Correct 263 ms 43272 KB Output is correct
50 Correct 277 ms 43284 KB Output is correct
51 Correct 280 ms 43188 KB Output is correct
52 Correct 249 ms 43164 KB Output is correct
53 Correct 262 ms 43104 KB Output is correct
54 Correct 163 ms 31908 KB Output is correct
55 Correct 267 ms 43264 KB Output is correct
56 Correct 51 ms 28116 KB Output is correct
57 Correct 120 ms 51204 KB Output is correct
58 Correct 127 ms 49264 KB Output is correct
59 Correct 112 ms 47360 KB Output is correct
60 Correct 120 ms 45316 KB Output is correct
61 Correct 98 ms 44552 KB Output is correct
62 Correct 101 ms 47360 KB Output is correct
63 Correct 107 ms 46592 KB Output is correct
64 Correct 155 ms 43968 KB Output is correct
65 Correct 177 ms 42564 KB Output is correct
66 Correct 87 ms 44548 KB Output is correct
67 Correct 110 ms 46476 KB Output is correct
68 Correct 130 ms 43268 KB Output is correct
69 Correct 143 ms 45112 KB Output is correct
70 Execution timed out 3073 ms 42016 KB Time limit exceeded
71 Halted 0 ms 0 KB -