oj.uz

답안 #13000

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
13000 2015-01-24T04:42:15 Z gs14004 역사적 조사 (JOI14_historical) C++
100 / 100
 3248 ms 6092 KB 
#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;

const int sz = 700;

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 5568 KB Output is correct
6 Correct 0 ms 5568 KB Output is correct
7 Correct 0 ms 5576 KB Output is correct
8 Correct 0 ms 5576 KB Output is correct
9 Correct 0 ms 5572 KB Output is correct
10 Correct 0 ms 5568 KB Output is correct
11 Correct 0 ms 5568 KB Output is correct
12 Correct 0 ms 5572 KB Output is correct
13 Correct 0 ms 5576 KB Output is correct
14 Correct 0 ms 5572 KB Output is correct
15 Correct 0 ms 5576 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 5576 KB Output is correct
3 Correct 0 ms 5572 KB Output is correct
4 Correct 12 ms 5576 KB Output is correct
5 Correct 24 ms 5576 KB Output is correct
6 Correct 44 ms 5568 KB Output is correct
7 Correct 44 ms 5568 KB Output is correct
8 Correct 32 ms 5576 KB Output is correct
9 Correct 32 ms 5572 KB Output is correct
10 Correct 60 ms 5568 KB Output is correct
11 Correct 56 ms 5572 KB Output is correct
12 Correct 60 ms 5572 KB Output is correct
13 Correct 60 ms 5568 KB Output is correct
14 Correct 56 ms 5572 KB Output is correct
15 Correct 48 ms 5572 KB Output is correct
16 Correct 36 ms 5568 KB Output is correct
17 Correct 16 ms 5576 KB Output is correct
18 Correct 48 ms 5572 KB Output is correct
19 Correct 56 ms 5572 KB Output is correct
20 Correct 64 ms 5572 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 5572 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 8 ms 5568 KB Output is correct
9 Correct 4 ms 5704 KB Output is correct
10 Correct 8 ms 5832 KB Output is correct
11 Correct 68 ms 6088 KB Output is correct
12 Correct 40 ms 6088 KB Output is correct
13 Correct 56 ms 6092 KB Output is correct
14 Correct 76 ms 6092 KB Output is correct
15 Correct 120 ms 6084 KB Output is correct
16 Correct 88 ms 6084 KB Output is correct
17 Correct 32 ms 6092 KB Output is correct
18 Correct 56 ms 6092 KB Output is correct
19 Correct 68 ms 6084 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 76 ms 5576 KB Output is correct
2 Correct 236 ms 5708 KB Output is correct
3 Correct 500 ms 5700 KB Output is correct
4 Correct 800 ms 5832 KB Output is correct
5 Correct 1064 ms 5832 KB Output is correct
6 Correct 1168 ms 5836 KB Output is correct
7 Correct 1060 ms 6092 KB Output is correct
8 Correct 840 ms 6088 KB Output is correct
9 Correct 572 ms 6088 KB Output is correct
10 Correct 404 ms 6084 KB Output is correct
11 Correct 800 ms 6092 KB Output is correct
12 Correct 1548 ms 6092 KB Output is correct
13 Correct 2308 ms 6092 KB Output is correct
14 Correct 2972 ms 6088 KB Output is correct
15 Correct 3248 ms 6092 KB Output is correct
16 Correct 3220 ms 6088 KB Output is correct
17 Correct 3224 ms 6084 KB Output is correct
18 Correct 3188 ms 6088 KB Output is correct
19 Correct 3168 ms 6084 KB Output is correct
20 Correct 2988 ms 6084 KB Output is correct
21 Correct 2960 ms 6092 KB Output is correct
22 Correct 2924 ms 6092 KB Output is correct
23 Correct 2952 ms 6084 KB Output is correct
24 Correct 2900 ms 6088 KB Output is correct
25 Correct 268 ms 6088 KB Output is correct