oj.uz

Submission #232659

# Submission time Handle Problem Language Result Execution time Memory
232659 2020-05-17T18:28:08 Z duality Constellation 3 (JOI20_constellation3) C++11
100 / 100
 931 ms 29428 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 A[200000];
vpii stars[200000];
int l[200000],r[200000];
vi S;
bool comp(int a,int b) {
    return r[a]-l[a] < r[b]-l[b];
}
int order[200000];
LLI dp[200000];
int low[200000];
int tree1[1 << 19];
int build(int s,int e,int i) {
    if (s == e) {
        tree1[i] = s;
        return 0;
    }

    int mid = (s+e) / 2;
    build(s,mid,2*i+1),build(mid+1,e,2*i+2);
    tree1[i] = (low[tree1[2*i+1]] < low[tree1[2*i+2]]) ? tree1[2*i+1]:tree1[2*i+2];
    return 0;
}
int update(int s,int e,int ai,int i) {
    if ((s > ai) || (e < ai)) return 0;
    else if (s == e) return 0;

    int mid = (s+e) / 2;
    update(s,mid,ai,2*i+1),update(mid+1,e,ai,2*i+2);
    tree1[i] = (low[tree1[2*i+1]] < low[tree1[2*i+2]]) ? tree1[2*i+1]:tree1[2*i+2];
    return 0;
}
int query(int s,int e,int qs,int qe,int i) {
    if ((s > qe) || (e < qs)) return qs;
    else if ((s >= qs) && (e <= qe)) return tree1[i];

    int mid = (s+e) / 2;
    int l = query(s,mid,qs,qe,2*i+1),r = query(mid+1,e,qs,qe,2*i+2);
    return (low[l] < low[r]) ? l:r;
}
LLI tree2[1 << 19],lazy[1 << 19];
int prop(int s,int e,int i) {
    tree2[i] += lazy[i];
    if (s != e) lazy[2*i+1] += lazy[i],lazy[2*i+2] += lazy[i];
    lazy[i] = 0;
    return 0;
}
int update2(int s,int e,int as,int ae,int i,LLI num) {
    prop(s,e,i);
    if ((s > ae) || (e < as)) return 0;
    else if ((s >= as) && (e <= ae)) {
        lazy[i] += num;
        prop(s,e,i);
        return 0;
    }

    int mid = (s+e) / 2;
    update2(s,mid,as,ae,2*i+1,num),update2(mid+1,e,as,ae,2*i+2,num);
    tree2[i] = max(tree2[2*i+1],tree2[2*i+2]);
    return 0;
}
LLI query2(int s,int e,int qs,int qe,int i) {
    prop(s,e,i);
    if ((s > qe) || (e < qs)) return 0;
    else if ((s >= qs) && (e <= qe)) return tree2[i];

    int mid = (s+e) / 2;
    return max(query2(s,mid,qs,qe,2*i+1),query2(mid+1,e,qs,qe,2*i+2));
}
int main() {
    int i;
    int N,M,X,Y,C;
    LLI sum = 0;
    scanf("%d",&N);
    for (i = 0; i < N; i++) scanf("%d",&A[i]);
    scanf("%d",&M);
    for (i = 0; i < M; i++) scanf("%d %d %d",&X,&Y,&C),stars[X-1].pb(mp(Y,C)),sum += C;

    for (i = 0; i < N; i++) {
        while (!S.empty() && (A[S.back()] <= A[i])) S.pop_back();
        if (!S.empty()) l[i] = S.back();
        else l[i] = -1;
        S.pb(i);
    }
    S.clear();
    for (i = N-1; i >= 0; i--) {
        while (!S.empty() && (A[S.back()] < A[i])) S.pop_back();
        if (!S.empty()) r[i] = S.back();
        else r[i] = N;
        S.pb(i);
    }
    for (i = 0; i < N; i++) {
        order[i] = i,sort(stars[i].begin(),stars[i].end(),greater<pii>());
        low[i] = stars[i].empty() ? 1e9:stars[i].back().first;
    }
    sort(order,order+N,comp);
    build(0,N-1,0);
    LLI ans = 0;
    for (i = 0; i < N; i++) {
        int u = order[i],v;
        LLI maxl = query2(0,N-1,l[u]+1,u-1,0),maxr = query2(0,N-1,u+1,r[u]-1,0);
        if (u-1 >= l[u]+1) {
            v = query(0,N-1,l[u]+1,u-1,0);
            while (low[v] <= A[u]) {
                maxl = max(maxl,query2(0,N-1,v,v,0)+stars[v].back().second);
                stars[v].pop_back(),low[v] = stars[v].empty() ? 1e9:stars[v].back().first;
                update(0,N-1,v,0),v = query(0,N-1,l[u]+1,u-1,0);
            }
        }
        if (r[u]-1 >= u+1) {
            v = query(0,N-1,u+1,r[u]-1,0);
            while (low[v] <= A[u]) {
                maxr = max(maxr,query2(0,N-1,v,v,0)+stars[v].back().second);
                stars[v].pop_back(),low[v] = stars[v].empty() ? 1e9:stars[v].back().first;
                update(0,N-1,v,0),v = query(0,N-1,u+1,r[u]-1,0);
            }
        }
        update2(0,N-1,l[u]+1,u,0,maxr),update2(0,N-1,u,r[u]-1,0,maxl);
        ans = max(ans,query2(0,N-1,u,u,0));
    }
    for (i = 0; i < N; i++) {
        LLI x = query2(0,N-1,i,i,0);
        while (!stars[i].empty()) ans = max(ans,stars[i].back().second+x),stars[i].pop_back();
    }
    printf("%lld\n",sum-ans);

    return 0;
}

Compilation message

constellation3.cpp: In function 'int main()':
constellation3.cpp:130:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&N);
     ~~~~~^~~~~~~~~
constellation3.cpp:131:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (i = 0; i < N; i++) scanf("%d",&A[i]);
                             ~~~~~^~~~~~~~~~~~
constellation3.cpp:132:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&M);
     ~~~~~^~~~~~~~~
constellation3.cpp:133:78: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (i = 0; i < M; i++) scanf("%d %d %d",&X,&Y,&C),stars[X-1].pb(mp(Y,C)),sum += C;
                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5120 KB Output is correct
2 Correct 8 ms 5120 KB Output is correct
3 Correct 8 ms 5120 KB Output is correct
4 Correct 9 ms 5120 KB Output is correct
5 Correct 8 ms 5120 KB Output is correct
6 Correct 8 ms 5120 KB Output is correct
7 Correct 9 ms 5120 KB Output is correct
8 Correct 8 ms 5120 KB Output is correct
9 Correct 8 ms 5120 KB Output is correct
10 Correct 9 ms 5120 KB Output is correct
11 Correct 8 ms 5120 KB Output is correct
12 Correct 8 ms 5120 KB Output is correct
13 Correct 8 ms 4992 KB Output is correct
14 Correct 9 ms 5120 KB Output is correct
15 Correct 9 ms 5120 KB Output is correct
16 Correct 8 ms 5120 KB Output is correct
17 Correct 8 ms 5120 KB Output is correct
18 Correct 8 ms 5120 KB Output is correct
19 Correct 8 ms 5120 KB Output is correct
20 Correct 8 ms 5120 KB Output is correct
21 Correct 8 ms 5120 KB Output is correct
22 Correct 8 ms 5120 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5120 KB Output is correct
2 Correct 8 ms 5120 KB Output is correct
3 Correct 8 ms 5120 KB Output is correct
4 Correct 9 ms 5120 KB Output is correct
5 Correct 8 ms 5120 KB Output is correct
6 Correct 8 ms 5120 KB Output is correct
7 Correct 9 ms 5120 KB Output is correct
8 Correct 8 ms 5120 KB Output is correct
9 Correct 8 ms 5120 KB Output is correct
10 Correct 9 ms 5120 KB Output is correct
11 Correct 8 ms 5120 KB Output is correct
12 Correct 8 ms 5120 KB Output is correct
13 Correct 8 ms 4992 KB Output is correct
14 Correct 9 ms 5120 KB Output is correct
15 Correct 9 ms 5120 KB Output is correct
16 Correct 8 ms 5120 KB Output is correct
17 Correct 8 ms 5120 KB Output is correct
18 Correct 8 ms 5120 KB Output is correct
19 Correct 8 ms 5120 KB Output is correct
20 Correct 8 ms 5120 KB Output is correct
21 Correct 8 ms 5120 KB Output is correct
22 Correct 8 ms 5120 KB Output is correct
23 Correct 12 ms 5248 KB Output is correct
24 Correct 14 ms 5248 KB Output is correct
25 Correct 13 ms 5248 KB Output is correct
26 Correct 12 ms 5248 KB Output is correct
27 Correct 13 ms 5280 KB Output is correct
28 Correct 13 ms 5248 KB Output is correct
29 Correct 12 ms 5248 KB Output is correct
30 Correct 12 ms 5248 KB Output is correct
31 Correct 12 ms 5248 KB Output is correct
32 Correct 12 ms 5248 KB Output is correct
33 Correct 12 ms 5248 KB Output is correct
34 Correct 12 ms 5248 KB Output is correct
35 Correct 13 ms 5248 KB Output is correct
36 Correct 12 ms 5248 KB Output is correct
37 Correct 13 ms 5248 KB Output is correct
38 Correct 12 ms 5248 KB Output is correct
39 Correct 12 ms 5248 KB Output is correct
40 Correct 12 ms 5248 KB Output is correct
41 Correct 12 ms 5248 KB Output is correct
42 Correct 13 ms 5248 KB Output is correct
43 Correct 12 ms 5248 KB Output is correct
44 Correct 12 ms 5248 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5120 KB Output is correct
2 Correct 8 ms 5120 KB Output is correct
3 Correct 8 ms 5120 KB Output is correct
4 Correct 9 ms 5120 KB Output is correct
5 Correct 8 ms 5120 KB Output is correct
6 Correct 8 ms 5120 KB Output is correct
7 Correct 9 ms 5120 KB Output is correct
8 Correct 8 ms 5120 KB Output is correct
9 Correct 8 ms 5120 KB Output is correct
10 Correct 9 ms 5120 KB Output is correct
11 Correct 8 ms 5120 KB Output is correct
12 Correct 8 ms 5120 KB Output is correct
13 Correct 8 ms 4992 KB Output is correct
14 Correct 9 ms 5120 KB Output is correct
15 Correct 9 ms 5120 KB Output is correct
16 Correct 8 ms 5120 KB Output is correct
17 Correct 8 ms 5120 KB Output is correct
18 Correct 8 ms 5120 KB Output is correct
19 Correct 8 ms 5120 KB Output is correct
20 Correct 8 ms 5120 KB Output is correct
21 Correct 8 ms 5120 KB Output is correct
22 Correct 8 ms 5120 KB Output is correct
23 Correct 12 ms 5248 KB Output is correct
24 Correct 14 ms 5248 KB Output is correct
25 Correct 13 ms 5248 KB Output is correct
26 Correct 12 ms 5248 KB Output is correct
27 Correct 13 ms 5280 KB Output is correct
28 Correct 13 ms 5248 KB Output is correct
29 Correct 12 ms 5248 KB Output is correct
30 Correct 12 ms 5248 KB Output is correct
31 Correct 12 ms 5248 KB Output is correct
32 Correct 12 ms 5248 KB Output is correct
33 Correct 12 ms 5248 KB Output is correct
34 Correct 12 ms 5248 KB Output is correct
35 Correct 13 ms 5248 KB Output is correct
36 Correct 12 ms 5248 KB Output is correct
37 Correct 13 ms 5248 KB Output is correct
38 Correct 12 ms 5248 KB Output is correct
39 Correct 12 ms 5248 KB Output is correct
40 Correct 12 ms 5248 KB Output is correct
41 Correct 12 ms 5248 KB Output is correct
42 Correct 13 ms 5248 KB Output is correct
43 Correct 12 ms 5248 KB Output is correct
44 Correct 12 ms 5248 KB Output is correct
45 Correct 876 ms 23788 KB Output is correct
46 Correct 828 ms 23800 KB Output is correct
47 Correct 824 ms 23928 KB Output is correct
48 Correct 922 ms 23800 KB Output is correct
49 Correct 822 ms 23800 KB Output is correct
50 Correct 804 ms 23800 KB Output is correct
51 Correct 793 ms 23800 KB Output is correct
52 Correct 832 ms 23928 KB Output is correct
53 Correct 832 ms 23928 KB Output is correct
54 Correct 931 ms 24308 KB Output is correct
55 Correct 873 ms 29428 KB Output is correct
56 Correct 842 ms 28920 KB Output is correct
57 Correct 886 ms 29052 KB Output is correct
58 Correct 906 ms 29172 KB Output is correct
59 Correct 850 ms 29172 KB Output is correct
60 Correct 630 ms 27760 KB Output is correct
61 Correct 858 ms 28576 KB Output is correct
62 Correct 906 ms 29164 KB Output is correct
63 Correct 809 ms 28664 KB Output is correct
64 Correct 815 ms 28280 KB Output is correct
65 Correct 911 ms 29044 KB Output is correct
66 Correct 813 ms 28588 KB Output is correct