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답안 #175996

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
175996 2020-01-07T14:02:34 Z nikolapesic2802 Tenis (COI19_tenis) C++14
100 / 100
 369 ms 55644 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>

#define ll long long
#define pb push_back
#define sz(x) (int)(x).size()
#define mp make_pair
#define f first
#define s second
#define all(x) x.begin(), x.end()
#define D(x) cerr << #x << " is " << (x) << "\n";
#define ld long double

using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>; ///find_by_order(),order_of_key()
template<class T1, class T2> ostream& operator<<(ostream& os, const pair<T1,T2>& a) { os << '{' << a.f << ", " << a.s << '}'; return os; }
template<class T> ostream& operator<<(ostream& os, const vector<T>& a){os << '{';for(int i=0;i<sz(a);i++){if(i>0&&i<sz(a))os << ", ";os << a[i];}os<<'}';return os;}
template<class T> ostream& operator<<(ostream& os, const deque<T>& a){os << '{';for(int i=0;i<sz(a);i++){if(i>0&&i<sz(a))os << ", ";os << a[i];}os<<'}';return os;}
template<class T> ostream& operator<<(ostream& os, const set<T>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T> ostream& operator<<(ostream& os, const set<T,greater<T> >& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T> ostream& operator<<(ostream& os, const multiset<T>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T> ostream& operator<<(ostream& os, const multiset<T,greater<T> >& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T1,class T2> ostream& operator<<(ostream& os, const map<T1,T2>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}

const int N=1e5+5;
vector<vector<int> > arr(3,vector<int>(N)),pos(3,vector<int>(N)),last(3,vector<int>(N)),vals(3,vector<int>(N,-1));
vector<vector<tuple<int,int,int> > > dodaj(4*N);
void add(int qs,int qe,tuple<int,int,int> x,int l,int r,int i){
    if(qs>r||qe<l)
        return;
    if(qs<=l&&qe>=r){
        dodaj[i].pb(x);
        return;
    }
    int m=(l+r)>>1;
    add(qs,qe,x,l,m,2*i);
    add(qs,qe,x,m+1,r,2*i+1);
}
int tr=0;
vector<int> queries(N);
vector<int> reach(N);
int trReach=0;
vector<vector<pair<int,pair<int,int> > > > undo;
vector<pair<int,pair<int,int> > > em;
void sett(int p,int a,int ind){
    vals[p][a]=ind;
    undo.pb(em);
    undo.back().pb({0,{p,a}});
    if(vals[0][a]!=-1&&vals[1][a]!=-1&&vals[2][a]!=-1){
        int mi=min({vals[0][a],vals[1][a],vals[2][a]}),ma=max({vals[0][a],vals[1][a],vals[2][a]});
        if(mi<=trReach){
            int newReach=ma;
            for(int i=trReach+1;i<=newReach;i++)
                newReach=max(newReach,reach[i]);
            if(newReach>trReach){
                undo.back().pb({1,{trReach,trReach}});
                trReach=newReach;
            }
        }else{
            if(reach[mi]<ma)
                undo.back().pb({2,{mi,reach[mi]}}),reach[mi]=ma;
        }
    }
}
void undo_it(){
    for(auto p:undo.back()){
        if(p.f==0)
            vals[p.s.f][p.s.s]=-1;
        if(p.f==1)
            trReach=p.s.f;
        if(p.f==2)
            reach[p.s.f]=p.s.s;
    }
    undo.pop_back();
}
void solve(int l,int r,int i){
    if(l>=tr)
        return;
    for(auto p:dodaj[i])
        sett(get<0>(p),get<1>(p),get<2>(p));
    if(l==r){
        int index=vals[0][queries[l]];
        if(index<=trReach)
            printf("DA\n");
        else
            printf("NE\n");
        for(auto p:dodaj[i])
            undo_it();
        return;
    }
    int m=(l+r)>>1;
    solve(l,m,2*i);
    solve(m+1,r,2*i+1);
    for(auto p:dodaj[i])
        undo_it();
}
int main()
{
	//freopen("in.txt","r",stdin);
	//freopen("out.txt","w",stdout);
	int n,q;
	scanf("%i %i",&n,&q);
	for(int i=0;i<3;i++)
        for(int j=0;j<n;j++)
            scanf("%i",&arr[i][j]),arr[i][j]--,pos[i][arr[i][j]]=j;
    vector<pair<pair<int,int>,tuple<int,int,int> > > ad;
    for(int i=0;i<q;i++){
        int t;
        scanf("%i",&t);
        if(t==1){
            int x;
            scanf("%i",&x);
            queries[tr++]=x-1;
        }else{
            int p,a,b;
            scanf("%i %i %i",&p,&a,&b);
            p--;a--;b--;
            if(last[p][a]!=tr)
                ad.pb({{last[p][a],tr-1},make_tuple(p,a,pos[p][a])});
            if(last[p][b]!=tr)
                ad.pb({{last[p][b],tr-1},make_tuple(p,b,pos[p][b])});
            last[p][b]=last[p][a]=tr;
            swap(arr[p][pos[p][a]],arr[p][pos[p][b]]);
            swap(pos[p][a],pos[p][b]);
        }
    }
    for(auto p:ad)
        add(p.f.f,p.f.s,p.s,0,tr-1,1);
    for(int i=0;i<3;i++)
        for(int j=0;j<n;j++)
            if(last[i][j]!=tr)
                add(last[i][j],tr-1,make_tuple(i,j,pos[i][j]),0,tr-1,1);
    solve(0,tr-1,1);
    return 0;
}

Compilation message

tenis.cpp: In function 'void solve(int, int, int)':
tenis.cpp:93:18: warning: variable 'p' set but not used [-Wunused-but-set-variable]
         for(auto p:dodaj[i])
                  ^
tenis.cpp:100:14: warning: variable 'p' set but not used [-Wunused-but-set-variable]
     for(auto p:dodaj[i])
              ^
tenis.cpp: In function 'int main()':
tenis.cpp:108:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&n,&q);
  ~~~~~^~~~~~~~~~~~~~~
tenis.cpp:111:47: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%i",&arr[i][j]),arr[i][j]--,pos[i][arr[i][j]]=j;
             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
tenis.cpp:115:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%i",&t);
         ~~~~~^~~~~~~~~
tenis.cpp:118:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%i",&x);
             ~~~~~^~~~~~~~~
tenis.cpp:122:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%i %i %i",&p,&a,&b);
             ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 15216 KB Output is correct
2 Correct 15 ms 15216 KB Output is correct
3 Correct 15 ms 15216 KB Output is correct
4 Correct 15 ms 15216 KB Output is correct
5 Correct 15 ms 15216 KB Output is correct
6 Correct 15 ms 15216 KB Output is correct

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 15216 KB Output is correct
2 Correct 15 ms 15216 KB Output is correct
3 Correct 15 ms 15216 KB Output is correct
4 Correct 15 ms 15216 KB Output is correct
5 Correct 15 ms 15216 KB Output is correct
6 Correct 15 ms 15216 KB Output is correct
7 Correct 16 ms 15472 KB Output is correct
8 Correct 16 ms 15468 KB Output is correct
9 Correct 16 ms 15472 KB Output is correct
10 Correct 16 ms 15468 KB Output is correct
11 Correct 16 ms 15472 KB Output is correct
12 Correct 17 ms 15468 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 15216 KB Output is correct
2 Correct 15 ms 15216 KB Output is correct
3 Correct 15 ms 15216 KB Output is correct
4 Correct 15 ms 15216 KB Output is correct
5 Correct 15 ms 15216 KB Output is correct
6 Correct 15 ms 15216 KB Output is correct
7 Correct 16 ms 15472 KB Output is correct
8 Correct 16 ms 15468 KB Output is correct
9 Correct 16 ms 15472 KB Output is correct
10 Correct 16 ms 15468 KB Output is correct
11 Correct 16 ms 15472 KB Output is correct
12 Correct 17 ms 15468 KB Output is correct
13 Correct 123 ms 39224 KB Output is correct
14 Correct 123 ms 39264 KB Output is correct
15 Correct 124 ms 39260 KB Output is correct
16 Correct 127 ms 39268 KB Output is correct
17 Correct 123 ms 39300 KB Output is correct
18 Correct 123 ms 39240 KB Output is correct
19 Correct 126 ms 39164 KB Output is correct
20 Correct 63 ms 15240 KB Output is correct
21 Correct 124 ms 39340 KB Output is correct
22 Correct 125 ms 39260 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 158 ms 39260 KB Output is correct
2 Correct 156 ms 39256 KB Output is correct
3 Correct 156 ms 39308 KB Output is correct
4 Correct 158 ms 39260 KB Output is correct
5 Correct 156 ms 39296 KB Output is correct
6 Correct 180 ms 39232 KB Output is correct
7 Correct 165 ms 39456 KB Output is correct
8 Correct 159 ms 39252 KB Output is correct
9 Correct 158 ms 39260 KB Output is correct
10 Correct 157 ms 39244 KB Output is correct
11 Correct 158 ms 39256 KB Output is correct
12 Correct 157 ms 39320 KB Output is correct
13 Correct 157 ms 39204 KB Output is correct
14 Correct 157 ms 39336 KB Output is correct
15 Correct 157 ms 39332 KB Output is correct

Subtask #5
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 15216 KB Output is correct
2 Correct 15 ms 15216 KB Output is correct
3 Correct 15 ms 15216 KB Output is correct
4 Correct 15 ms 15216 KB Output is correct
5 Correct 15 ms 15216 KB Output is correct
6 Correct 15 ms 15216 KB Output is correct
7 Correct 16 ms 15472 KB Output is correct
8 Correct 16 ms 15468 KB Output is correct
9 Correct 16 ms 15472 KB Output is correct
10 Correct 16 ms 15468 KB Output is correct
11 Correct 16 ms 15472 KB Output is correct
12 Correct 17 ms 15468 KB Output is correct
13 Correct 123 ms 39224 KB Output is correct
14 Correct 123 ms 39264 KB Output is correct
15 Correct 124 ms 39260 KB Output is correct
16 Correct 127 ms 39268 KB Output is correct
17 Correct 123 ms 39300 KB Output is correct
18 Correct 123 ms 39240 KB Output is correct
19 Correct 126 ms 39164 KB Output is correct
20 Correct 63 ms 15240 KB Output is correct
21 Correct 124 ms 39340 KB Output is correct
22 Correct 125 ms 39260 KB Output is correct
23 Correct 158 ms 39260 KB Output is correct
24 Correct 156 ms 39256 KB Output is correct
25 Correct 156 ms 39308 KB Output is correct
26 Correct 158 ms 39260 KB Output is correct
27 Correct 156 ms 39296 KB Output is correct
28 Correct 180 ms 39232 KB Output is correct
29 Correct 165 ms 39456 KB Output is correct
30 Correct 159 ms 39252 KB Output is correct
31 Correct 158 ms 39260 KB Output is correct
32 Correct 157 ms 39244 KB Output is correct
33 Correct 158 ms 39256 KB Output is correct
34 Correct 157 ms 39320 KB Output is correct
35 Correct 157 ms 39204 KB Output is correct
36 Correct 157 ms 39336 KB Output is correct
37 Correct 157 ms 39332 KB Output is correct
38 Correct 368 ms 54884 KB Output is correct
39 Correct 239 ms 44160 KB Output is correct
40 Correct 354 ms 55644 KB Output is correct
41 Correct 244 ms 46428 KB Output is correct
42 Correct 248 ms 46936 KB Output is correct
43 Correct 369 ms 53396 KB Output is correct
44 Correct 212 ms 44072 KB Output is correct
45 Correct 259 ms 48096 KB Output is correct
46 Correct 223 ms 44376 KB Output is correct
47 Correct 242 ms 46684 KB Output is correct
48 Correct 222 ms 44892 KB Output is correct
49 Correct 256 ms 46300 KB Output is correct
50 Correct 210 ms 43924 KB Output is correct
51 Correct 248 ms 47056 KB Output is correct
52 Correct 359 ms 55132 KB Output is correct
53 Correct 219 ms 44376 KB Output is correct
54 Correct 227 ms 45404 KB Output is correct
55 Correct 256 ms 47452 KB Output is correct
56 Correct 268 ms 46684 KB Output is correct
57 Correct 221 ms 44436 KB Output is correct
58 Correct 343 ms 55264 KB Output is correct