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답안 #259276

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
259276 2020-08-07T13:35:08 Z 문홍윤(#5063) 역사적 조사 (JOI14_historical) C++17
40 / 100
 4000 ms 7256 KB 
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#define eb emplace_back
#define mp make_pair
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define svec(x) sort(x.begin(), x.end())
#define press(x) x.erase(unique(x.begin(), x.end()), x.end())
#define lb(x, v) lower_bound(x.begin(), x.end(), v)
using namespace std;
typedef long long LL;
typedef pair<int, int> pii;

vector<pair<pii, int> > cmp;
pii qu[100010];
int n, q, arr[100010], cha[100010], cnt[100010], sz;
vector<int> id;
LL ans[100010];

inline int readChar();
template<class T=int> 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);
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;
}

LL tree[400010];
void upd(int point, int s, int e, int num, LL val){
    if(s==e){
        tree[point]=val;
        return;
    }
    if(num<=(s+e)/2)upd(point<<1, s, s+e>>1, num, val);
    else upd(point<<1|1, (s+e>>1)+1, e, num, val);
    tree[point]=max(tree[point<<1], tree[point<<1|1]);
}

inline void ins(int num){
    num=arr[num];
    cnt[num]++;
    upd(1, 1, sz, num, (LL)cha[num]*cnt[num]);
}
inline void er(int num){
    num=arr[num];
    cnt[num]--;
    upd(1, 1, sz, num, (LL)cha[num]*cnt[num]);
}

int main(){
    n=readInt();
    q=readInt();
    int sq=sqrt(n);
    id.resize(n);
    for(int i=1; i<=n; i++){
        arr[i]=readInt();
        id[i-1]=arr[i];
    }
    svec(id); press(id);
    for(int i=1; i<=n; i++){
        int tmp=lb(id, arr[i])-id.begin()+1;
        cha[tmp]=arr[i];
        arr[i]=tmp;
    }
    sz=id.size();
    cmp.resize(q);
    for(int i=1; i<=q; i++){
        qu[i].F=readInt();
        qu[i].S=readInt();
        cmp[i-1]=mp(mp(qu[i].F/sq, qu[i].S), i);
    }
    svec(cmp);
    int l=1, r=0;
    for(auto i:cmp){
        while(qu[i.S].F<l)ins(--l);
        while(qu[i.S].S>r)ins(++r);
        while(qu[i.S].F>l)er(l++);
        while(qu[i.S].S<r)er(r--);
        ans[i.S]=tree[1];
    }
    for(int i=1; i<=q; i++)printf("%lld\n", ans[i]);
}

Compilation message

historic.cpp: In function 'void upd(int, int, int, int, LL)':
historic.cpp:56:39: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     if(num<=(s+e)/2)upd(point<<1, s, s+e>>1, num, val);
                                      ~^~
historic.cpp:57:28: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     else upd(point<<1|1, (s+e>>1)+1, e, num, val);
                           ~^~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 5 ms 512 KB Output is correct
20 Correct 13 ms 512 KB Output is correct
21 Correct 23 ms 640 KB Output is correct
22 Correct 26 ms 640 KB Output is correct
23 Correct 24 ms 640 KB Output is correct
24 Correct 17 ms 632 KB Output is correct
25 Correct 37 ms 640 KB Output is correct
26 Correct 37 ms 640 KB Output is correct
27 Correct 40 ms 640 KB Output is correct
28 Correct 42 ms 640 KB Output is correct
29 Correct 33 ms 640 KB Output is correct
30 Correct 35 ms 640 KB Output is correct
31 Correct 20 ms 640 KB Output is correct
32 Correct 8 ms 640 KB Output is correct
33 Correct 34 ms 640 KB Output is correct
34 Correct 38 ms 640 KB Output is correct
35 Correct 39 ms 760 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 3 ms 512 KB Output is correct
8 Correct 5 ms 640 KB Output is correct
9 Correct 12 ms 768 KB Output is correct
10 Correct 4 ms 896 KB Output is correct
11 Correct 38 ms 4244 KB Output is correct
12 Correct 29 ms 1280 KB Output is correct
13 Correct 49 ms 2296 KB Output is correct
14 Correct 67 ms 4600 KB Output is correct
15 Correct 81 ms 6520 KB Output is correct
16 Correct 62 ms 6008 KB Output is correct
17 Correct 24 ms 2168 KB Output is correct
18 Correct 36 ms 4088 KB Output is correct
19 Correct 44 ms 7160 KB Output is correct
20 Correct 27 ms 4864 KB Output is correct

Subtask #4
0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 5 ms 512 KB Output is correct
20 Correct 13 ms 512 KB Output is correct
21 Correct 23 ms 640 KB Output is correct
22 Correct 26 ms 640 KB Output is correct
23 Correct 24 ms 640 KB Output is correct
24 Correct 17 ms 632 KB Output is correct
25 Correct 37 ms 640 KB Output is correct
26 Correct 37 ms 640 KB Output is correct
27 Correct 40 ms 640 KB Output is correct
28 Correct 42 ms 640 KB Output is correct
29 Correct 33 ms 640 KB Output is correct
30 Correct 35 ms 640 KB Output is correct
31 Correct 20 ms 640 KB Output is correct
32 Correct 8 ms 640 KB Output is correct
33 Correct 34 ms 640 KB Output is correct
34 Correct 38 ms 640 KB Output is correct
35 Correct 39 ms 760 KB Output is correct
36 Correct 0 ms 384 KB Output is correct
37 Correct 1 ms 384 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 1 ms 384 KB Output is correct
41 Correct 2 ms 512 KB Output is correct
42 Correct 3 ms 512 KB Output is correct
43 Correct 5 ms 640 KB Output is correct
44 Correct 12 ms 768 KB Output is correct
45 Correct 4 ms 896 KB Output is correct
46 Correct 38 ms 4244 KB Output is correct
47 Correct 29 ms 1280 KB Output is correct
48 Correct 49 ms 2296 KB Output is correct
49 Correct 67 ms 4600 KB Output is correct
50 Correct 81 ms 6520 KB Output is correct
51 Correct 62 ms 6008 KB Output is correct
52 Correct 24 ms 2168 KB Output is correct
53 Correct 36 ms 4088 KB Output is correct
54 Correct 44 ms 7160 KB Output is correct
55 Correct 27 ms 4864 KB Output is correct
56 Correct 57 ms 888 KB Output is correct
57 Correct 253 ms 1400 KB Output is correct
58 Correct 638 ms 1912 KB Output is correct
59 Correct 1101 ms 2808 KB Output is correct
60 Correct 1590 ms 3320 KB Output is correct
61 Correct 1823 ms 3576 KB Output is correct
62 Correct 1599 ms 3928 KB Output is correct
63 Correct 1134 ms 4504 KB Output is correct
64 Correct 706 ms 4984 KB Output is correct
65 Correct 216 ms 5240 KB Output is correct
66 Correct 1035 ms 5240 KB Output is correct
67 Correct 2445 ms 5204 KB Output is correct
68 Execution timed out 4027 ms 7256 KB Time limit exceeded
69 Halted 0 ms 0 KB -