oj.uz

Submission #409443

# Submission time Handle Problem Language Result Execution time Memory
409443 2021-05-20T18:28:44 Z duality Long Mansion (JOI17_long_mansion) C++11
100 / 100
 1240 ms 85700 KB 
#define DEBUG 0

#include <bits/stdc++.h>
using namespace std;

#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}

// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
    public:
        template<typename T>
        _Debug& operator,(T val) {
            cout << val << endl;
            return *this;
        }
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif

// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back

// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;

// ---------- END OF TEMPLATE ----------

int C[500000];
vi A[500000];
int pos[500000];
vi pos2[500000];
set<int> S;
int l[1 << 20],r[1 << 20];
int build(int s,int e,int i) {
    if (s == e) {
        l[i] = 0,r[i] = 1e9;
        return 0;
    }

    int mid = (s+e) / 2;
    build(s,mid,2*i+1),build(mid+1,e,2*i+2);
    l[i] = 0,r[i] = 1e9;
    return 0;
}
int update(int s,int e,int as,int ae,int i,int ll,int rr) {
    if ((s > ae) || (e < as)) return 0;
    else if ((s >= as) && (e <= ae)) {
        l[i] = max(l[i],ll),r[i] = min(r[i],rr);
        return 0;
    }

    int mid = (s+e) / 2;
    update(s,mid,as,ae,2*i+1,ll,rr),update(mid+1,e,as,ae,2*i+2,ll,rr);
    return 0;
}
int L[500000],R[500000];
int queryAll(int s,int e,int i) {
    if (s == e) {
        L[s] = l[i],R[s] = r[i];
        return 0;
    }

    int mid = (s+e) / 2;
    l[2*i+1] = max(l[2*i+1],l[i]);
    l[2*i+2] = max(l[2*i+2],l[i]);
    r[2*i+1] = min(r[2*i+1],r[i]);
    r[2*i+2] = min(r[2*i+2],r[i]);
    queryAll(s,mid,2*i+1),queryAll(mid+1,e,2*i+2);
    return 0;
}
int main() {
    int i,j;
    int N,Q,B;
    scanf("%d",&N);
    for (i = 0; i < N-1; i++) scanf("%d",&C[i]),C[i]--;
    for (i = 0; i < N; i++) {
        scanf("%d",&B);
        A[i].resize(B);
        for (j = 0; j < B; j++) scanf("%d",&A[i][j]),A[i][j]--;
    }

    build(0,N-1,0);
    for (i = 0; i < N; i++) pos[i] = N+1;
    for (i = N-1; i >= 0; i--) {
        S.insert(i);
        if (i < N-1) pos2[C[i]].pb(i);
        for (j = 0; j < A[i].size(); j++) {
            pos[A[i][j]] = i;
            while (!pos2[A[i][j]].empty()) {
                S.erase(pos2[A[i][j]].back());
                pos2[A[i][j]].pop_back();
            }
        }
        int b = (i == 0) ? N:pos[C[i-1]]-1;
        auto it = S.upper_bound(b);
        if (it != S.begin()) {
            it--;
            b = *it;
            if (i <= b) update(0,N-1,i,b,0,i,b);
        }
    }
    for (i = 0; i < N; i++) pos[i] = -1,pos2[i].clear();
    S.clear();
    for (i = 0; i < N; i++) {
        S.insert(i);
        if (i > 0) pos2[C[i-1]].pb(i);
        for (j = 0; j < A[i].size(); j++) {
            pos[A[i][j]] = i;
            while (!pos2[A[i][j]].empty()) {
                S.erase(pos2[A[i][j]].back());
                pos2[A[i][j]].pop_back();
            }
        }
        int b = (i == N-1) ? 0:pos[C[i]]+1;
        auto it = S.lower_bound(b);
        if (it != S.end()) {
            b = *it;
            if (b <= i) update(0,N-1,b,i,0,b,i);
        }
    }
    queryAll(0,N-1,0);

    int X,Y;
    scanf("%d",&Q);
    for (i = 0; i < Q; i++) {
        scanf("%d %d",&X,&Y);
        X--,Y--;
        if ((Y >= L[X]) && (Y <= R[X])) printf("YES\n");
        else printf("NO\n");
    }

    return 0;
}

Compilation message

long_mansion.cpp: In function 'int main()':
long_mansion.cpp:117:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  117 |         for (j = 0; j < A[i].size(); j++) {
      |                     ~~^~~~~~~~~~~~~
long_mansion.cpp:137:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  137 |         for (j = 0; j < A[i].size(); j++) {
      |                     ~~^~~~~~~~~~~~~
long_mansion.cpp:104:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  104 |     scanf("%d",&N);
      |     ~~~~~^~~~~~~~~
long_mansion.cpp:105:36: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  105 |     for (i = 0; i < N-1; i++) scanf("%d",&C[i]),C[i]--;
      |                               ~~~~~^~~~~~~~~~~~
long_mansion.cpp:107:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  107 |         scanf("%d",&B);
      |         ~~~~~^~~~~~~~~
long_mansion.cpp:109:38: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  109 |         for (j = 0; j < B; j++) scanf("%d",&A[i][j]),A[i][j]--;
      |                                 ~~~~~^~~~~~~~~~~~~~~
long_mansion.cpp:154:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  154 |     scanf("%d",&Q);
      |     ~~~~~^~~~~~~~~
long_mansion.cpp:156:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  156 |         scanf("%d %d",&X,&Y);
      |         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 23884 KB Output is correct
2 Correct 18 ms 23964 KB Output is correct
3 Correct 19 ms 24208 KB Output is correct
4 Correct 17 ms 23884 KB Output is correct
5 Correct 17 ms 23884 KB Output is correct
6 Correct 17 ms 24016 KB Output is correct
7 Correct 18 ms 24020 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 23884 KB Output is correct
2 Correct 18 ms 23964 KB Output is correct
3 Correct 19 ms 24208 KB Output is correct
4 Correct 17 ms 23884 KB Output is correct
5 Correct 17 ms 23884 KB Output is correct
6 Correct 17 ms 24016 KB Output is correct
7 Correct 18 ms 24020 KB Output is correct
8 Correct 148 ms 25564 KB Output is correct
9 Correct 146 ms 25540 KB Output is correct
10 Correct 148 ms 25800 KB Output is correct
11 Correct 150 ms 26004 KB Output is correct
12 Correct 144 ms 25668 KB Output is correct
13 Correct 148 ms 25748 KB Output is correct
14 Correct 144 ms 26636 KB Output is correct
15 Correct 144 ms 26612 KB Output is correct
16 Correct 144 ms 26768 KB Output is correct
17 Correct 148 ms 26564 KB Output is correct
18 Correct 161 ms 26504 KB Output is correct
19 Correct 150 ms 26600 KB Output is correct
20 Correct 142 ms 26692 KB Output is correct
21 Correct 153 ms 26836 KB Output is correct
22 Correct 145 ms 26612 KB Output is correct
23 Correct 146 ms 26440 KB Output is correct
24 Correct 150 ms 26460 KB Output is correct
25 Correct 151 ms 26436 KB Output is correct
26 Correct 147 ms 26568 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 307 ms 32396 KB Output is correct
2 Correct 296 ms 32384 KB Output is correct
3 Correct 281 ms 32704 KB Output is correct
4 Correct 302 ms 32312 KB Output is correct
5 Correct 302 ms 32324 KB Output is correct
6 Correct 228 ms 32384 KB Output is correct
7 Correct 216 ms 33244 KB Output is correct
8 Correct 212 ms 33152 KB Output is correct
9 Correct 214 ms 32980 KB Output is correct
10 Correct 214 ms 33032 KB Output is correct
11 Correct 214 ms 33088 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 23884 KB Output is correct
2 Correct 18 ms 23964 KB Output is correct
3 Correct 19 ms 24208 KB Output is correct
4 Correct 17 ms 23884 KB Output is correct
5 Correct 17 ms 23884 KB Output is correct
6 Correct 17 ms 24016 KB Output is correct
7 Correct 18 ms 24020 KB Output is correct
8 Correct 148 ms 25564 KB Output is correct
9 Correct 146 ms 25540 KB Output is correct
10 Correct 148 ms 25800 KB Output is correct
11 Correct 150 ms 26004 KB Output is correct
12 Correct 144 ms 25668 KB Output is correct
13 Correct 148 ms 25748 KB Output is correct
14 Correct 144 ms 26636 KB Output is correct
15 Correct 144 ms 26612 KB Output is correct
16 Correct 144 ms 26768 KB Output is correct
17 Correct 148 ms 26564 KB Output is correct
18 Correct 161 ms 26504 KB Output is correct
19 Correct 150 ms 26600 KB Output is correct
20 Correct 142 ms 26692 KB Output is correct
21 Correct 153 ms 26836 KB Output is correct
22 Correct 145 ms 26612 KB Output is correct
23 Correct 146 ms 26440 KB Output is correct
24 Correct 150 ms 26460 KB Output is correct
25 Correct 151 ms 26436 KB Output is correct
26 Correct 147 ms 26568 KB Output is correct
27 Correct 307 ms 32396 KB Output is correct
28 Correct 296 ms 32384 KB Output is correct
29 Correct 281 ms 32704 KB Output is correct
30 Correct 302 ms 32312 KB Output is correct
31 Correct 302 ms 32324 KB Output is correct
32 Correct 228 ms 32384 KB Output is correct
33 Correct 216 ms 33244 KB Output is correct
34 Correct 212 ms 33152 KB Output is correct
35 Correct 214 ms 32980 KB Output is correct
36 Correct 214 ms 33032 KB Output is correct
37 Correct 214 ms 33088 KB Output is correct
38 Correct 1240 ms 60296 KB Output is correct
39 Correct 1209 ms 68444 KB Output is correct
40 Correct 861 ms 58308 KB Output is correct
41 Correct 563 ms 66896 KB Output is correct
42 Correct 290 ms 41508 KB Output is correct
43 Correct 267 ms 40524 KB Output is correct
44 Correct 394 ms 51868 KB Output is correct
45 Correct 394 ms 52404 KB Output is correct
46 Correct 382 ms 52980 KB Output is correct
47 Correct 235 ms 41248 KB Output is correct
48 Correct 236 ms 39816 KB Output is correct
49 Correct 332 ms 50380 KB Output is correct
50 Correct 350 ms 51524 KB Output is correct
51 Correct 368 ms 53480 KB Output is correct
52 Correct 545 ms 57928 KB Output is correct
53 Correct 756 ms 72700 KB Output is correct
54 Correct 1004 ms 85700 KB Output is correct
55 Correct 787 ms 74236 KB Output is correct