oj.uz

답안 #12995

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
12995 2015-01-24T04:35:27 Z gs14004 역사적 조사 (JOI14_historical) C++
100 / 100
 3880 ms 6092 KB 
#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;

const int sz = 300;

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 5576 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 5572 KB Output is correct
6 Correct 0 ms 5568 KB Output is correct
7 Correct 0 ms 5572 KB Output is correct
8 Correct 0 ms 5572 KB Output is correct
9 Correct 0 ms 5572 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 5568 KB Output is correct
13 Correct 0 ms 5568 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 5568 KB Output is correct
3 Correct 4 ms 5576 KB Output is correct
4 Correct 4 ms 5572 KB Output is correct
5 Correct 16 ms 5572 KB Output is correct
6 Correct 20 ms 5572 KB Output is correct
7 Correct 24 ms 5576 KB Output is correct
8 Correct 12 ms 5572 KB Output is correct
9 Correct 16 ms 5572 KB Output is correct
10 Correct 32 ms 5568 KB Output is correct
11 Correct 28 ms 5572 KB Output is correct
12 Correct 32 ms 5568 KB Output is correct
13 Correct 24 ms 5576 KB Output is correct
14 Correct 32 ms 5572 KB Output is correct
15 Correct 32 ms 5568 KB Output is correct
16 Correct 20 ms 5572 KB Output is correct
17 Correct 8 ms 5572 KB Output is correct
18 Correct 28 ms 5572 KB Output is correct
19 Correct 32 ms 5568 KB Output is correct
20 Correct 32 ms 5568 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5572 KB Output is correct
2 Correct 0 ms 5576 KB Output is correct
3 Correct 0 ms 5572 KB Output is correct
4 Correct 0 ms 5568 KB Output is correct
5 Correct 0 ms 5576 KB Output is correct
6 Correct 0 ms 5572 KB Output is correct
7 Correct 4 ms 5572 KB Output is correct
8 Correct 0 ms 5572 KB Output is correct
9 Correct 8 ms 5704 KB Output is correct
10 Correct 8 ms 5828 KB Output is correct
11 Correct 72 ms 6092 KB Output is correct
12 Correct 36 ms 6092 KB Output is correct
13 Correct 56 ms 6084 KB Output is correct
14 Correct 92 ms 6092 KB Output is correct
15 Correct 104 ms 6088 KB Output is correct
16 Correct 68 ms 6088 KB Output is correct
17 Correct 36 ms 6084 KB Output is correct
18 Correct 72 ms 6092 KB Output is correct
19 Correct 76 ms 6092 KB Output is correct
20 Correct 40 ms 6088 KB Output is correct

Subtask #4
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 5572 KB Output is correct
2 Correct 156 ms 5704 KB Output is correct
3 Correct 380 ms 5704 KB Output is correct
4 Correct 652 ms 5832 KB Output is correct
5 Correct 956 ms 5836 KB Output is correct
6 Correct 1104 ms 5828 KB Output is correct
7 Correct 1084 ms 6092 KB Output is correct
8 Correct 892 ms 6092 KB Output is correct
9 Correct 616 ms 6088 KB Output is correct
10 Correct 448 ms 6088 KB Output is correct
11 Correct 900 ms 6092 KB Output is correct
12 Correct 1756 ms 6092 KB Output is correct
13 Correct 2620 ms 6084 KB Output is correct
14 Correct 3492 ms 6088 KB Output is correct
15 Correct 3880 ms 6088 KB Output is correct
16 Correct 3808 ms 6084 KB Output is correct
17 Correct 3788 ms 6088 KB Output is correct
18 Correct 3748 ms 6088 KB Output is correct
19 Correct 3744 ms 6084 KB Output is correct
20 Correct 3484 ms 6088 KB Output is correct
21 Correct 3448 ms 6088 KB Output is correct
22 Correct 3464 ms 6088 KB Output is correct
23 Correct 3436 ms 6088 KB Output is correct
24 Correct 3452 ms 6088 KB Output is correct
25 Correct 308 ms 6084 KB Output is correct