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Submission #259286

# Submission time Handle Problem Language Result Execution time Memory
259286 2020-08-07T13:46:19 Z 문홍윤(#5063) 역사적 조사 (JOI14_historical) C++17
100 / 100
 3702 ms 6520 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];
vector<int> id;
LL ans[100010];

int base;
LL tree[400010];

void upd(int num, LL val){
    num|=base; tree[num]=val;
    while(num>>=1)tree[num]=max(tree[num<<1], tree[num<<1|1]);
}

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

int main(){
    //n=readInt();
    //q=readInt();
    scanf("%d %d", &n, &q);
    for(base=1; base<=n; base<<=1);
    int sq=sqrt(n);
    id.resize(n);
    for(int i=1; i<=n; i++){
        //arr[i]=readInt();
        scanf("%d", &arr[i]);
        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;
    }
    cmp.resize(q);
    for(int i=1; i<=q; i++){
        //qu[i].F=readInt();
        //qu[i].S=readInt();
        scanf("%d %d", &qu[i].F, &qu[i].S);
        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 'int main()':
historic.cpp:45:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &q);
     ~~~~~^~~~~~~~~~~~~~~~~
historic.cpp:51:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &arr[i]);
         ~~~~~^~~~~~~~~~~~~~~
historic.cpp:64:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &qu[i].F, &qu[i].S);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 1 ms 384 KB Output is correct
6 Correct 1 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 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 1 ms 384 KB Output is correct
6 Correct 1 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 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 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 4 ms 384 KB Output is correct
20 Correct 10 ms 512 KB Output is correct
21 Correct 20 ms 512 KB Output is correct
22 Correct 20 ms 640 KB Output is correct
23 Correct 19 ms 512 KB Output is correct
24 Correct 18 ms 512 KB Output is correct
25 Correct 20 ms 632 KB Output is correct
26 Correct 20 ms 640 KB Output is correct
27 Correct 20 ms 640 KB Output is correct
28 Correct 20 ms 640 KB Output is correct
29 Correct 19 ms 640 KB Output is correct
30 Correct 19 ms 640 KB Output is correct
31 Correct 19 ms 640 KB Output is correct
32 Correct 19 ms 640 KB Output is correct
33 Correct 20 ms 632 KB Output is correct
34 Correct 21 ms 640 KB Output is correct
35 Correct 19 ms 640 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 12 ms 768 KB Output is correct
10 Correct 14 ms 768 KB Output is correct
11 Correct 71 ms 4088 KB Output is correct
12 Correct 34 ms 1152 KB Output is correct
13 Correct 53 ms 2040 KB Output is correct
14 Correct 74 ms 4088 KB Output is correct
15 Correct 96 ms 6264 KB Output is correct
16 Correct 67 ms 5368 KB Output is correct
17 Correct 37 ms 2172 KB Output is correct
18 Correct 60 ms 3872 KB Output is correct
19 Correct 58 ms 6520 KB Output is correct
20 Correct 37 ms 4216 KB Output is correct

Subtask #4
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 1 ms 384 KB Output is correct
6 Correct 1 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 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 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 4 ms 384 KB Output is correct
20 Correct 10 ms 512 KB Output is correct
21 Correct 20 ms 512 KB Output is correct
22 Correct 20 ms 640 KB Output is correct
23 Correct 19 ms 512 KB Output is correct
24 Correct 18 ms 512 KB Output is correct
25 Correct 20 ms 632 KB Output is correct
26 Correct 20 ms 640 KB Output is correct
27 Correct 20 ms 640 KB Output is correct
28 Correct 20 ms 640 KB Output is correct
29 Correct 19 ms 640 KB Output is correct
30 Correct 19 ms 640 KB Output is correct
31 Correct 19 ms 640 KB Output is correct
32 Correct 19 ms 640 KB Output is correct
33 Correct 20 ms 632 KB Output is correct
34 Correct 21 ms 640 KB Output is correct
35 Correct 19 ms 640 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 0 ms 384 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 2 ms 384 KB Output is correct
41 Correct 1 ms 384 KB Output is correct
42 Correct 3 ms 384 KB Output is correct
43 Correct 5 ms 512 KB Output is correct
44 Correct 12 ms 768 KB Output is correct
45 Correct 14 ms 768 KB Output is correct
46 Correct 71 ms 4088 KB Output is correct
47 Correct 34 ms 1152 KB Output is correct
48 Correct 53 ms 2040 KB Output is correct
49 Correct 74 ms 4088 KB Output is correct
50 Correct 96 ms 6264 KB Output is correct
51 Correct 67 ms 5368 KB Output is correct
52 Correct 37 ms 2172 KB Output is correct
53 Correct 60 ms 3872 KB Output is correct
54 Correct 58 ms 6520 KB Output is correct
55 Correct 37 ms 4216 KB Output is correct
56 Correct 56 ms 768 KB Output is correct
57 Correct 167 ms 1292 KB Output is correct
58 Correct 316 ms 1912 KB Output is correct
59 Correct 518 ms 2520 KB Output is correct
60 Correct 744 ms 2956 KB Output is correct
61 Correct 920 ms 3320 KB Output is correct
62 Correct 1206 ms 3704 KB Output is correct
63 Correct 1694 ms 4496 KB Output is correct
64 Correct 3084 ms 4856 KB Output is correct
65 Correct 3702 ms 4984 KB Output is correct
66 Correct 2601 ms 4976 KB Output is correct
67 Correct 2093 ms 4988 KB Output is correct
68 Correct 2185 ms 5140 KB Output is correct
69 Correct 2160 ms 5788 KB Output is correct
70 Correct 2237 ms 6392 KB Output is correct
71 Correct 2297 ms 6008 KB Output is correct
72 Correct 2218 ms 5944 KB Output is correct
73 Correct 2233 ms 5880 KB Output is correct
74 Correct 2249 ms 5752 KB Output is correct
75 Correct 2264 ms 5752 KB Output is correct
76 Correct 2222 ms 5752 KB Output is correct
77 Correct 2185 ms 5624 KB Output is correct
78 Correct 2165 ms 5704 KB Output is correct
79 Correct 2159 ms 5752 KB Output is correct
80 Correct 3574 ms 5368 KB Output is correct