oj.uz

Submission #398197

# Submission time Handle Problem Language Result Execution time Memory
398197 2021-05-03T22:49:14 Z duality Fire (JOI20_ho_t5) C++11
100 / 100
 863 ms 66028 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 ----------
#pragma GCC optimize("Ofast")

int S[200000],l[200000],r[200000];
LLI ans[200000];
struct event { int y,l,r,t,i; };
bool comp(event a,event b) {
    if (a.y == b.y) return abs(a.t) > abs(b.t);
    else return a.y < b.y;
}
vector<event> v1,v2;
vi s;
LLI bit1[400001],bit2[400001];
int update(int s,int e,int num,int N) {
    int i;
    for (i = s+1; i <= N; i += i & (-i)) bit1[i] += num,bit2[i] -= (LLI) (s-1)*num;
    for (i = e+1; i <= N; i += i & (-i)) bit1[i] -= num,bit2[i] += (LLI) e*num;
    return 0;
}
LLI query(int s,int e) {
    int i;
    LLI ans = 0;
    for (i = e+1; i > 0; i -= i & (-i)) ans += bit1[i]*e+bit2[i];
    for (i = s; i > 0; i -= i & (-i)) ans -= bit1[i]*(s-1)+bit2[i];
    return ans;
}
int main() {
    int i;
    int N,Q,T,L,R;
    scanf("%d %d",&N,&Q);
    for (i = 0; i < N; i++) scanf("%d",&S[i]);
    for (i = 0; i < Q; i++) {
        scanf("%d %d %d",&T,&L,&R);
        L--,R--;
        v1.pb((event){T,L,R,0,i});
        v2.pb((event){T,L-T,R-T,0,i});
    }

    for (i = 0; i < N; i++) {
        while (!s.empty() && (S[s.back()] < S[i])) s.pop_back();
        if (s.empty()) l[i] = -1;
        else l[i] = s.back();
        s.pb(i);
    }
    s.clear();
    for (i = N-1; i >= 0; i--) {
        while (!s.empty() && (S[s.back()] <= S[i])) s.pop_back();
        if (s.empty()) r[i] = N;
        else r[i] = s.back();
        s.pb(i);
    }
    for (i = 0; i < N; i++) {
        v1.pb((event){r[i]-i,i,r[i]-1,S[i],0});
        v1.pb((event){0,i,N-1,S[i],0});
        v1.pb((event){r[i]-i,i,N-1,-S[i],0});
        v2.pb((event){0,i+1,N-1,-S[i],0});
        v2.pb((event){r[i]-i,i+1,N-1,S[i],0});
        if (l[i] != -1) {
            v1.pb((event){r[i]-l[i]-1,i,r[i]-1,-S[i],0});
            v1.pb((event){i-l[i],i,N-1,-S[i],0});
            v1.pb((event){r[i]-l[i]-1,i,N-1,S[i],0});
            v2.pb((event){i-l[i],l[i]+1,N-1,S[i],0});
            v2.pb((event){r[i]-l[i]-1,l[i]+1,N-1,-S[i],0});
        }
    }
    sort(v1.begin(),v1.end(),comp);
    sort(v2.begin(),v2.end(),comp);
    for (i = 0; i < v1.size(); i++) {
        if (v1[i].t != 0) update(v1[i].l+N,v1[i].r+N,v1[i].t,2*N);
        else ans[v1[i].i] += query(v1[i].l+N,v1[i].r+N);
    }
    for (i = 0; i <= 2*N; i++) bit1[i] = bit2[i] = 0;
    for (i = 0; i < v2.size(); i++) {
        if (v2[i].t != 0) update(v2[i].l+N,v2[i].r+N,v2[i].t,2*N);
        else ans[v2[i].i] += query(v2[i].l+N,v2[i].r+N);
    }
    for (i = 0; i < Q; i++) printf("%lld\n",ans[i]);

    return 0;
}

Compilation message

ho_t5.cpp: In function 'int main()':
ho_t5.cpp:123:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<event>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  123 |     for (i = 0; i < v1.size(); i++) {
      |                 ~~^~~~~~~~~~~
ho_t5.cpp:128:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<event>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  128 |     for (i = 0; i < v2.size(); i++) {
      |                 ~~^~~~~~~~~~~
ho_t5.cpp:85:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   85 |     scanf("%d %d",&N,&Q);
      |     ~~~~~^~~~~~~~~~~~~~~
ho_t5.cpp:86:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   86 |     for (i = 0; i < N; i++) scanf("%d",&S[i]);
      |                             ~~~~~^~~~~~~~~~~~
ho_t5.cpp:88:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   88 |         scanf("%d %d %d",&T,&L,&R);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 777 ms 58912 KB Output is correct
3 Correct 768 ms 64444 KB Output is correct
4 Correct 782 ms 64512 KB Output is correct
5 Correct 804 ms 65516 KB Output is correct
6 Correct 781 ms 64740 KB Output is correct
7 Correct 786 ms 65204 KB Output is correct
8 Correct 795 ms 65672 KB Output is correct
9 Correct 800 ms 65276 KB Output is correct
10 Correct 776 ms 64396 KB Output is correct
11 Correct 802 ms 65780 KB Output is correct
12 Correct 781 ms 64356 KB Output is correct
13 Correct 800 ms 65144 KB Output is correct
14 Correct 792 ms 64960 KB Output is correct
15 Correct 838 ms 65168 KB Output is correct
16 Correct 803 ms 64540 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 799 ms 58752 KB Output is correct
3 Correct 796 ms 64192 KB Output is correct
4 Correct 837 ms 65000 KB Output is correct
5 Correct 793 ms 64168 KB Output is correct
6 Correct 808 ms 64172 KB Output is correct
7 Correct 833 ms 64312 KB Output is correct
8 Correct 824 ms 64316 KB Output is correct
9 Correct 833 ms 64180 KB Output is correct
10 Correct 830 ms 64128 KB Output is correct
11 Correct 821 ms 64856 KB Output is correct
12 Correct 863 ms 64192 KB Output is correct
13 Correct 823 ms 64496 KB Output is correct
14 Correct 815 ms 64224 KB Output is correct
15 Correct 843 ms 64632 KB Output is correct
16 Correct 831 ms 64188 KB Output is correct

Subtask #4
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 636 ms 59488 KB Output is correct
2 Correct 642 ms 63552 KB Output is correct
3 Correct 656 ms 63656 KB Output is correct
4 Correct 636 ms 63700 KB Output is correct
5 Correct 637 ms 63648 KB Output is correct
6 Correct 627 ms 63564 KB Output is correct
7 Correct 652 ms 63552 KB Output is correct
8 Correct 658 ms 63644 KB Output is correct
9 Correct 639 ms 63576 KB Output is correct
10 Correct 645 ms 63532 KB Output is correct
11 Correct 649 ms 63656 KB Output is correct
12 Correct 644 ms 63664 KB Output is correct
13 Correct 659 ms 63660 KB Output is correct
14 Correct 654 ms 63812 KB Output is correct

Subtask #5
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 777 ms 58912 KB Output is correct
34 Correct 768 ms 64444 KB Output is correct
35 Correct 782 ms 64512 KB Output is correct
36 Correct 804 ms 65516 KB Output is correct
37 Correct 781 ms 64740 KB Output is correct
38 Correct 786 ms 65204 KB Output is correct
39 Correct 795 ms 65672 KB Output is correct
40 Correct 800 ms 65276 KB Output is correct
41 Correct 776 ms 64396 KB Output is correct
42 Correct 802 ms 65780 KB Output is correct
43 Correct 781 ms 64356 KB Output is correct
44 Correct 800 ms 65144 KB Output is correct
45 Correct 792 ms 64960 KB Output is correct
46 Correct 838 ms 65168 KB Output is correct
47 Correct 803 ms 64540 KB Output is correct
48 Correct 799 ms 58752 KB Output is correct
49 Correct 796 ms 64192 KB Output is correct
50 Correct 837 ms 65000 KB Output is correct
51 Correct 793 ms 64168 KB Output is correct
52 Correct 808 ms 64172 KB Output is correct
53 Correct 833 ms 64312 KB Output is correct
54 Correct 824 ms 64316 KB Output is correct
55 Correct 833 ms 64180 KB Output is correct
56 Correct 830 ms 64128 KB Output is correct
57 Correct 821 ms 64856 KB Output is correct
58 Correct 863 ms 64192 KB Output is correct
59 Correct 823 ms 64496 KB Output is correct
60 Correct 815 ms 64224 KB Output is correct
61 Correct 843 ms 64632 KB Output is correct
62 Correct 831 ms 64188 KB Output is correct
63 Correct 636 ms 59488 KB Output is correct
64 Correct 642 ms 63552 KB Output is correct
65 Correct 656 ms 63656 KB Output is correct
66 Correct 636 ms 63700 KB Output is correct
67 Correct 637 ms 63648 KB Output is correct
68 Correct 627 ms 63564 KB Output is correct
69 Correct 652 ms 63552 KB Output is correct
70 Correct 658 ms 63644 KB Output is correct
71 Correct 639 ms 63576 KB Output is correct
72 Correct 645 ms 63532 KB Output is correct
73 Correct 649 ms 63656 KB Output is correct
74 Correct 644 ms 63664 KB Output is correct
75 Correct 659 ms 63660 KB Output is correct
76 Correct 654 ms 63812 KB Output is correct
77 Correct 832 ms 64436 KB Output is correct
78 Correct 837 ms 65392 KB Output is correct
79 Correct 836 ms 65288 KB Output is correct
80 Correct 834 ms 64332 KB Output is correct
81 Correct 856 ms 64324 KB Output is correct
82 Correct 838 ms 65004 KB Output is correct
83 Correct 825 ms 64596 KB Output is correct
84 Correct 821 ms 64308 KB Output is correct
85 Correct 847 ms 65276 KB Output is correct
86 Correct 813 ms 64280 KB Output is correct
87 Correct 848 ms 65692 KB Output is correct
88 Correct 835 ms 65840 KB Output is correct
89 Correct 806 ms 64284 KB Output is correct
90 Correct 849 ms 65328 KB Output is correct
91 Correct 810 ms 64320 KB Output is correct
92 Correct 805 ms 64296 KB Output is correct
93 Correct 813 ms 64600 KB Output is correct
94 Correct 855 ms 66028 KB Output is correct
95 Correct 845 ms 65864 KB Output is correct
96 Correct 819 ms 64624 KB Output is correct
97 Correct 833 ms 64736 KB Output is correct
98 Correct 822 ms 64052 KB Output is correct
99 Correct 829 ms 64308 KB Output is correct
100 Correct 827 ms 64880 KB Output is correct
101 Correct 830 ms 64028 KB Output is correct
102 Correct 838 ms 65284 KB Output is correct