oj.uz

답안 #447019

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
447019 2021-07-24T08:42:10 Z zaneyu Fire (JOI20_ho_t5) C++14
20 / 100
 1000 ms 69548 KB 
/*input
20 20
2 1 2 2 1 1 1 1 2 2 2 1 2 1 1 2 1 2 1 1
1 1 14
2 3 18
4 10 15
8 2 17
9 20 20
4 8 19
7 2 20
11 1 5
13 2 8
20 1 20
2 12 15
7 1 14
12 7 18
14 2 17
9 19 20
12 12 12
6 2 15
11 2 15
19 12 17
4 1 20
*/
#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<long long, null_type, less_equal<long long>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
//order_of_key #of elements less than x
// find_by_order kth element
using ll = long long;
using ld = long double;
using pii = pair<ll,int>;
#define f first
#define s second
#define pb push_back
#define REP(i,n) for(int i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define FILL(n,x) memset(n,x,sizeof(n))
#define ALL(_a) _a.begin(),_a.end()
#define sz(x) (int)x.size()
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
const ll INF64=4e18;
const int INF=0x3f3f3f3f;
const ll MOD=1e9+7;
const ld PI=acos(-1);
const ld eps=1e-9;
#define lowb(x) x&(-x)
#define MNTO(x,y) x=min(x,(__typeof__(x))y)
#define MXTO(x,y) x=max(x,(__typeof__(x))y)
ll mult(ll a,ll b){
    return a*b%MOD;
}
ll mypow(ll a,ll b){
    if(b<=0) return 1;
    ll res=1LL;
    while(b){
        if(b&1) res=(res*a)%MOD;
        a=(a*a)%MOD;
        b>>=1;
    }
    return res;
}
const ll maxn=4e5+5;
const ll maxlg=__lg(maxn)+2;
/** Interface */

inline int readChar();
template <class T = ll> inline T readInt(); 
template <class T> inline void writeInt( T x, char end = 0 );
inline void writeChar( int x ); 
inline void writeWord( const char *s );

/** Read */

static const int buf_size = 4096;

inline int getChar() {
    static char buf[buf_size];
    static int len = 0, pos = 0;
    if (pos == len)
        pos = 0, len = fread(buf, 1, buf_size, stdin);
    if (pos == len)
        return -1;
    return buf[pos++];
}

inline int readChar() {
    int c = getChar();
    while (c <= 32)
        c = getChar();
    return c;
}

template <class T>
inline T readInt() {
    int s = 1, c = readChar();
    T x = 0;
    if (c == '-')
        s = -1, c = getChar();
    while ('0' <= c && c <= '9')
        x = x * 10 + c - '0', c = getChar();
    return s == 1 ? x : -x;
}

/** Write */

static int write_pos = 0;
static char write_buf[buf_size];

inline void writeChar( int x ) {
    if (write_pos == buf_size)
        fwrite(write_buf, 1, buf_size, stdout), write_pos = 0;
    write_buf[write_pos++] = x;
}

template <class T> 
inline void writeInt(T x, char end ) {
    if (x < 0)
        writeChar('-'), x = -x;

    char s[24];
    int n = 0;
    while (x || !n)
        s[n++] = '0' + x % 10, x /= 10;
    while (n--)
        writeChar(s[n]);
    if (end)
        writeChar(end);
}

inline void writeWord( const char *s ) {
    while (*s)
        writeChar(*s++);
}

struct Flusher {
    ~Flusher() {
        if (write_pos)
            fwrite(write_buf, 1, write_pos, stdout), write_pos = 0;
    }
} flusher;
struct segt{
    ll seg[4*maxn],lazy[4*maxn];
    int n;
    void resize(int _n){
        n=_n;
    } 
    inline void pushdown(int idx,int l,int r){
        if(!lazy[idx]) return;
        if(l==r){
            lazy[idx]=0;
            return;
        }
        int mid=(l+r)/2;
        seg[idx<<1]+=lazy[idx]*(mid-l+1);
        seg[idx<<1|1]+=lazy[idx]*(r-mid);
        lazy[idx<<1]+=lazy[idx];
        lazy[idx<<1|1]+=lazy[idx];
        lazy[idx]=0;
    }
    inline void upd(int idx,int l,int r,int ql,int qr,ll x){
        if(ql<=l and r<=qr){
            lazy[idx]+=x;
            seg[idx]+=x*(r-l+1);
            return;
        }
        pushdown(idx,l,r);
        int mid=l+r>>1;
        if(qr<=mid) upd(idx<<1,l,mid,ql,qr,x);
        else if(ql>mid) upd(idx<<1|1,mid+1,r,ql,qr,x);
        else upd(idx<<1,l,mid,ql,qr,x),upd(idx<<1|1,mid+1,r,ql,qr,x);
        seg[idx]=(seg[idx<<1]+seg[idx<<1|1]);
    }
    inline ll query(int idx,int l,int r,int ql,int qr){
        pushdown(idx,l,r);
        if(ql<=l and r<=qr) return seg[idx];
        int mid=l+r>>1;
        if(qr<=mid) return query(idx<<1,l,mid,ql,qr);
        else if(ql>mid) return query(idx<<1|1,mid+1,r,ql,qr);
        return query(idx<<1,l,mid,ql,qr)+query(idx<<1|1,mid+1,r,ql,qr);
    }
    inline ll query(int l,int r){
        if(l>r) return 0;
        return query(1,0,n-1,l,r);
    }
    inline void upd(int l,int r,ll x){
        if(l>r) return;
        upd(1,0,n-1,l,r,x);
    }
}rect,par;
int n,q;
int arr[maxn];
ll ans[maxn];
vector<pair<pii,int>> upd[maxn];
vector<pair<pii,int>> query[maxn];
inline void tri(int l,int r,int v){
    if(l>r) return;
    //parallelogram-rectangle
    par.upd(l+n,2*n+1,v);
    rect.upd(r+n+1,2*n+1,-v);
    //place where xiao and da intersect
    if((r-l+1)<=n) upd[r-l+1].pb({{l,r},v});
}
int l[maxn],r[maxn];
int main(){
    ios::sync_with_stdio(false),cin.tie(0);
    rect.resize(maxn),par.resize(maxn);
    n=readInt(),q=readInt();
    REP(i,n) arr[i]=readInt();
    vector<int> v;
    REP(i,n){
        while(sz(v) and arr[v.back()]<arr[i]) v.pop_back();
        if(sz(v)) l[i]=v.back();
        else l[i]=-n-1;
        v.pb(i);
    }
    v.clear();
    for(int i=n-1;i>=0;i--){
        while(sz(v) and arr[v.back()]<=arr[i]) v.pop_back();
        if(sz(v)) r[i]=v.back();
        else r[i]=n+1;
        v.pb(i);
    }
    REP(i,n){
        tri(l[i]+1,r[i]-1,arr[i]);
        tri(l[i]+1,i-1,-arr[i]);
        tri(i+1,r[i]-1,-arr[i]);
    }
    REP(i,q){
        int t=readInt(),l=readInt(),r=readInt();
        --l,--r;
        query[t].pb({{l,r},i});
    }
    REP1(i,n){
        for(auto x:upd[i]){
            int l=x.f.f,r=x.f.s,v=x.s;
            par.upd(l+n,2*n+1,-v);
            rect.upd(r+n+1,2*n+1,v);
        }
        for(auto x:query[i]){
            int l=x.f.f,r=x.f.s;
            ans[x.s]=par.query(l-i+n,r-i+n)+rect.query(l+n,r+n);
        }
    }
    REP(i,q) writeInt(ans[i],'\n');
}

Compilation message

ho_t5.cpp: In member function 'void segt::upd(int, int, int, int, int, ll)':
ho_t5.cpp:173:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  173 |         int mid=l+r>>1;
      |                 ~^~
ho_t5.cpp: In member function 'll segt::query(int, int, int, int, int)':
ho_t5.cpp:182:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  182 |         int mid=l+r>>1;
      |                 ~^~

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 19276 KB Output is correct
2 Correct 13 ms 19392 KB Output is correct
3 Correct 13 ms 19396 KB Output is correct
4 Correct 13 ms 19392 KB Output is correct
5 Correct 14 ms 19428 KB Output is correct
6 Correct 13 ms 19324 KB Output is correct
7 Correct 14 ms 19276 KB Output is correct
8 Correct 14 ms 19392 KB Output is correct
9 Correct 15 ms 19276 KB Output is correct
10 Correct 14 ms 19284 KB Output is correct
11 Correct 13 ms 19276 KB Output is correct
12 Correct 14 ms 19280 KB Output is correct
13 Correct 14 ms 19364 KB Output is correct
14 Correct 14 ms 19340 KB Output is correct
15 Correct 13 ms 19276 KB Output is correct
16 Correct 13 ms 19320 KB Output is correct
17 Correct 13 ms 19292 KB Output is correct
18 Correct 13 ms 19340 KB Output is correct
19 Correct 14 ms 19432 KB Output is correct
20 Correct 13 ms 19380 KB Output is correct
21 Correct 15 ms 19396 KB Output is correct
22 Correct 13 ms 19276 KB Output is correct
23 Correct 13 ms 19276 KB Output is correct
24 Correct 14 ms 19332 KB Output is correct
25 Correct 15 ms 19396 KB Output is correct
26 Correct 14 ms 19328 KB Output is correct
27 Correct 13 ms 19280 KB Output is correct
28 Correct 14 ms 19392 KB Output is correct
29 Correct 13 ms 19384 KB Output is correct
30 Correct 13 ms 19276 KB Output is correct
31 Correct 14 ms 19276 KB Output is correct
32 Correct 14 ms 19276 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 19276 KB Output is correct
2 Correct 868 ms 61132 KB Output is correct
3 Correct 808 ms 57772 KB Output is correct
4 Correct 841 ms 58124 KB Output is correct
5 Correct 811 ms 64692 KB Output is correct
6 Correct 842 ms 60908 KB Output is correct
7 Correct 858 ms 61472 KB Output is correct
8 Correct 911 ms 58800 KB Output is correct
9 Correct 837 ms 61292 KB Output is correct
10 Correct 734 ms 57844 KB Output is correct
11 Correct 882 ms 61488 KB Output is correct
12 Correct 749 ms 60588 KB Output is correct
13 Correct 948 ms 64276 KB Output is correct
14 Correct 836 ms 63068 KB Output is correct
15 Correct 836 ms 69548 KB Output is correct
16 Correct 889 ms 62908 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 19276 KB Output is correct
2 Correct 773 ms 57792 KB Output is correct
3 Correct 731 ms 57408 KB Output is correct
4 Correct 822 ms 58736 KB Output is correct
5 Correct 829 ms 57732 KB Output is correct
6 Correct 698 ms 58148 KB Output is correct
7 Correct 834 ms 57968 KB Output is correct
8 Correct 826 ms 58020 KB Output is correct
9 Correct 735 ms 57624 KB Output is correct
10 Correct 770 ms 57176 KB Output is correct
11 Correct 768 ms 58700 KB Output is correct
12 Correct 797 ms 58408 KB Output is correct
13 Correct 788 ms 58432 KB Output is correct
14 Correct 755 ms 57916 KB Output is correct
15 Correct 834 ms 58652 KB Output is correct
16 Correct 867 ms 58220 KB Output is correct

Subtask #4
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 812 ms 57688 KB Output is correct
2 Correct 810 ms 57920 KB Output is correct
3 Correct 784 ms 58800 KB Output is correct
4 Correct 847 ms 57508 KB Output is correct
5 Correct 854 ms 57784 KB Output is correct
6 Correct 855 ms 58212 KB Output is correct
7 Correct 855 ms 58864 KB Output is correct
8 Correct 843 ms 58548 KB Output is correct
9 Correct 776 ms 58180 KB Output is correct
10 Correct 829 ms 58660 KB Output is correct
11 Correct 808 ms 58472 KB Output is correct
12 Correct 867 ms 58472 KB Output is correct
13 Correct 713 ms 58272 KB Output is correct
14 Correct 754 ms 58452 KB Output is correct

Subtask #5
0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 19276 KB Output is correct
2 Correct 13 ms 19392 KB Output is correct
3 Correct 13 ms 19396 KB Output is correct
4 Correct 13 ms 19392 KB Output is correct
5 Correct 14 ms 19428 KB Output is correct
6 Correct 13 ms 19324 KB Output is correct
7 Correct 14 ms 19276 KB Output is correct
8 Correct 14 ms 19392 KB Output is correct
9 Correct 15 ms 19276 KB Output is correct
10 Correct 14 ms 19284 KB Output is correct
11 Correct 13 ms 19276 KB Output is correct
12 Correct 14 ms 19280 KB Output is correct
13 Correct 14 ms 19364 KB Output is correct
14 Correct 14 ms 19340 KB Output is correct
15 Correct 13 ms 19276 KB Output is correct
16 Correct 13 ms 19320 KB Output is correct
17 Correct 13 ms 19292 KB Output is correct
18 Correct 13 ms 19340 KB Output is correct
19 Correct 14 ms 19432 KB Output is correct
20 Correct 13 ms 19380 KB Output is correct
21 Correct 15 ms 19396 KB Output is correct
22 Correct 13 ms 19276 KB Output is correct
23 Correct 13 ms 19276 KB Output is correct
24 Correct 14 ms 19332 KB Output is correct
25 Correct 15 ms 19396 KB Output is correct
26 Correct 14 ms 19328 KB Output is correct
27 Correct 13 ms 19280 KB Output is correct
28 Correct 14 ms 19392 KB Output is correct
29 Correct 13 ms 19384 KB Output is correct
30 Correct 13 ms 19276 KB Output is correct
31 Correct 14 ms 19276 KB Output is correct
32 Correct 14 ms 19276 KB Output is correct
33 Correct 868 ms 61132 KB Output is correct
34 Correct 808 ms 57772 KB Output is correct
35 Correct 841 ms 58124 KB Output is correct
36 Correct 811 ms 64692 KB Output is correct
37 Correct 842 ms 60908 KB Output is correct
38 Correct 858 ms 61472 KB Output is correct
39 Correct 911 ms 58800 KB Output is correct
40 Correct 837 ms 61292 KB Output is correct
41 Correct 734 ms 57844 KB Output is correct
42 Correct 882 ms 61488 KB Output is correct
43 Correct 749 ms 60588 KB Output is correct
44 Correct 948 ms 64276 KB Output is correct
45 Correct 836 ms 63068 KB Output is correct
46 Correct 836 ms 69548 KB Output is correct
47 Correct 889 ms 62908 KB Output is correct
48 Correct 773 ms 57792 KB Output is correct
49 Correct 731 ms 57408 KB Output is correct
50 Correct 822 ms 58736 KB Output is correct
51 Correct 829 ms 57732 KB Output is correct
52 Correct 698 ms 58148 KB Output is correct
53 Correct 834 ms 57968 KB Output is correct
54 Correct 826 ms 58020 KB Output is correct
55 Correct 735 ms 57624 KB Output is correct
56 Correct 770 ms 57176 KB Output is correct
57 Correct 768 ms 58700 KB Output is correct
58 Correct 797 ms 58408 KB Output is correct
59 Correct 788 ms 58432 KB Output is correct
60 Correct 755 ms 57916 KB Output is correct
61 Correct 834 ms 58652 KB Output is correct
62 Correct 867 ms 58220 KB Output is correct
63 Correct 812 ms 57688 KB Output is correct
64 Correct 810 ms 57920 KB Output is correct
65 Correct 784 ms 58800 KB Output is correct
66 Correct 847 ms 57508 KB Output is correct
67 Correct 854 ms 57784 KB Output is correct
68 Correct 855 ms 58212 KB Output is correct
69 Correct 855 ms 58864 KB Output is correct
70 Correct 843 ms 58548 KB Output is correct
71 Correct 776 ms 58180 KB Output is correct
72 Correct 829 ms 58660 KB Output is correct
73 Correct 808 ms 58472 KB Output is correct
74 Correct 867 ms 58472 KB Output is correct
75 Correct 713 ms 58272 KB Output is correct
76 Correct 754 ms 58452 KB Output is correct
77 Correct 921 ms 64248 KB Output is correct
78 Correct 908 ms 65296 KB Output is correct
79 Execution timed out 1010 ms 64504 KB Time limit exceeded
80 Halted 0 ms 0 KB -