oj.uz

답안 #12997

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
12997 2015-01-24T04:38:11 Z gs14004 역사적 조사 (JOI14_historical) C++
100 / 100
 3376 ms 6092 KB 
#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;

const int sz = 400;

struct q{int s,e,n;}qr[100005];
bool cmp(q a, q b){return a.s / sz == b.s / sz ? (a.e < b.e) : (a.s < b.s);}

int a[100005],n,q;
vector<int> p;
long long res[100005];
int lim;

inline void add(int pos, int val, long long* tree){
    pos += lim;
    tree[pos] += 1ll * val * p[pos-lim];
    while(pos > 1){
        pos >>= 1;
        tree[pos] = max(tree[2*pos],tree[2*pos+1]);
    }
}

inline void solve(){
    long long tree[270000] = {};
    for(lim = 1; lim <= p.size(); lim <<= 1);
    int s = 1, e = 0;
    for (int i=0; i<q; i++) {
        while (s < qr[i].s) {
            add(a[s],-1,tree);
            s++;
        }
        while (qr[i].s < s) {
            s--;
            add(a[s],1,tree);
        }
        while (e < qr[i].e) {
            e++;
            add(a[e],1,tree);
        }
        while (qr[i].e < e) {
            add(a[e],-1,tree);
            e--;
        }
        res[qr[i].n] = tree[1];
    }
}

int main(){
    scanf("%d %d",&n,&q);
    for (int i=1; i<=n; i++) {
        scanf("%d",&a[i]);
        p.push_back(a[i]);
    }
    for (int i=0; i<q; i++) {
        scanf("%d %d",&qr[i].s,&qr[i].e);
        qr[i].n = i;
    }
    sort(qr,qr+q,cmp);
    sort(p.begin(),p.end());
    p.resize(unique(p.begin(),p.end()) - p.begin());
    for (int i=1; i<=n; i++) {
        a[i] = (int)(lower_bound(p.begin(),p.end(),a[i]) - p.begin());
    }
    solve();
    for (int i=0; i<q; i++) {
        printf("%lld\n",res[i]);
    }
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5568 KB Output is correct
2 Correct 0 ms 5568 KB Output is correct
3 Correct 0 ms 5572 KB Output is correct
4 Correct 0 ms 5572 KB Output is correct
5 Correct 0 ms 5576 KB Output is correct
6 Correct 0 ms 5576 KB Output is correct
7 Correct 0 ms 5568 KB Output is correct
8 Correct 0 ms 5572 KB Output is correct
9 Correct 0 ms 5576 KB Output is correct
10 Correct 0 ms 5572 KB Output is correct
11 Correct 0 ms 5572 KB Output is correct
12 Correct 0 ms 5576 KB Output is correct
13 Correct 0 ms 5576 KB Output is correct
14 Correct 0 ms 5568 KB Output is correct
15 Correct 0 ms 5568 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5572 KB Output is correct
2 Correct 0 ms 5572 KB Output is correct
3 Correct 4 ms 5576 KB Output is correct
4 Correct 8 ms 5572 KB Output is correct
5 Correct 8 ms 5572 KB Output is correct
6 Correct 28 ms 5576 KB Output is correct
7 Correct 24 ms 5572 KB Output is correct
8 Correct 20 ms 5572 KB Output is correct
9 Correct 20 ms 5568 KB Output is correct
10 Correct 40 ms 5572 KB Output is correct
11 Correct 40 ms 5568 KB Output is correct
12 Correct 40 ms 5572 KB Output is correct
13 Correct 36 ms 5568 KB Output is correct
14 Correct 28 ms 5572 KB Output is correct
15 Correct 28 ms 5572 KB Output is correct
16 Correct 20 ms 5572 KB Output is correct
17 Correct 12 ms 5576 KB Output is correct
18 Correct 32 ms 5572 KB Output is correct
19 Correct 40 ms 5572 KB Output is correct
20 Correct 44 ms 5572 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5568 KB Output is correct
2 Correct 0 ms 5568 KB Output is correct
3 Correct 0 ms 5572 KB Output is correct
4 Correct 0 ms 5576 KB Output is correct
5 Correct 0 ms 5572 KB Output is correct
6 Correct 0 ms 5576 KB Output is correct
7 Correct 4 ms 5568 KB Output is correct
8 Correct 4 ms 5572 KB Output is correct
9 Correct 12 ms 5708 KB Output is correct
10 Correct 8 ms 5832 KB Output is correct
11 Correct 72 ms 6088 KB Output is correct
12 Correct 36 ms 6092 KB Output is correct
13 Correct 60 ms 6092 KB Output is correct
14 Correct 92 ms 6088 KB Output is correct
15 Correct 128 ms 6084 KB Output is correct
16 Correct 84 ms 6092 KB Output is correct
17 Correct 32 ms 6092 KB Output is correct
18 Correct 68 ms 6088 KB Output is correct
19 Correct 80 ms 6088 KB Output is correct
20 Correct 44 ms 6092 KB Output is correct

Subtask #4
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 52 ms 5576 KB Output is correct
2 Correct 180 ms 5704 KB Output is correct
3 Correct 392 ms 5700 KB Output is correct
4 Correct 652 ms 5828 KB Output is correct
5 Correct 912 ms 5832 KB Output is correct
6 Correct 1048 ms 5836 KB Output is correct
7 Correct 992 ms 6088 KB Output is correct
8 Correct 820 ms 6088 KB Output is correct
9 Correct 572 ms 6088 KB Output is correct
10 Correct 404 ms 6088 KB Output is correct
11 Correct 808 ms 6088 KB Output is correct
12 Correct 1556 ms 6088 KB Output is correct
13 Correct 2344 ms 6084 KB Output is correct
14 Correct 3068 ms 6092 KB Output is correct
15 Correct 3376 ms 6084 KB Output is correct
16 Correct 3360 ms 6084 KB Output is correct
17 Correct 3320 ms 6092 KB Output is correct
18 Correct 3296 ms 6092 KB Output is correct
19 Correct 3284 ms 6088 KB Output is correct
20 Correct 3076 ms 6088 KB Output is correct
21 Correct 3060 ms 6088 KB Output is correct
22 Correct 3024 ms 6084 KB Output is correct
23 Correct 3028 ms 6092 KB Output is correct
24 Correct 3020 ms 6092 KB Output is correct
25 Correct 272 ms 6088 KB Output is correct