#include<stdio.h>
#include<math.h>
#include<algorithm>
#include<map>
#include<set>
using namespace std;
typedef long long ll;
int n, k, qu;
ll ans[100010], a;
int p[100010];
map <int,int> M;
multiset <ll> S;
struct qua{
qua(){}
qua(int s,int d):s(s),d(d){}
int s, d, c;
bool operator<(const qua &l)const{
return d/k != l.d/k ? d/k < l.d/k : (((d/k)&1) ? s < l.s : s > l.s);
}
}q[100010];
int main()
{
scanf("%d%d",&n,&qu);
k = int(sqrt(n));
int i;
for(i=1;i<=n;i++)scanf("%d",p+i);
for(i=0;i<qu;i++)scanf("%d%d",&q[i].s,&q[i].d), q[i].c = i;
sort(q,q+qu);
int L = 1, R = 0;
for(i=0;i<qu;i++){
while(L>q[i].s){
a = ++M[p[--L]] * (ll)p[L];
S.insert(a);
if(a != p[L])S.erase(S.find(a - p[L]));
}
while(R<q[i].d){
a = ++M[p[++R]] * (ll)p[R];
S.insert(a);
if(a != p[R])S.erase(S.find(a - p[R]));
}
while(L<q[i].s){
a = M[p[L]]-- * (ll)p[L];
S.erase(S.find(a));
if(a != p[L])S.insert(a - p[L]);
++L;
}
while(R>q[i].d){
a = M[p[R]]-- * (ll)p[R];
S.erase(S.find(a));
if(a != p[R])S.insert(a - p[R]);
--R;
}
ans[q[i].c] = *S.rbegin();
}
for(i=0;i<qu;i++)printf("%lld\n",ans[i]);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
3572 KB |
Output is correct |
2 |
Correct |
0 ms |
3572 KB |
Output is correct |
3 |
Correct |
0 ms |
3572 KB |
Output is correct |
4 |
Correct |
0 ms |
3572 KB |
Output is correct |
5 |
Correct |
0 ms |
3572 KB |
Output is correct |
6 |
Correct |
0 ms |
3572 KB |
Output is correct |
7 |
Correct |
0 ms |
3572 KB |
Output is correct |
8 |
Correct |
0 ms |
3572 KB |
Output is correct |
9 |
Correct |
0 ms |
3572 KB |
Output is correct |
10 |
Correct |
0 ms |
3572 KB |
Output is correct |
11 |
Correct |
0 ms |
3572 KB |
Output is correct |
12 |
Correct |
0 ms |
3572 KB |
Output is correct |
13 |
Correct |
0 ms |
3572 KB |
Output is correct |
14 |
Correct |
0 ms |
3572 KB |
Output is correct |
15 |
Correct |
0 ms |
3572 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
3572 KB |
Output is correct |
2 |
Correct |
0 ms |
3572 KB |
Output is correct |
3 |
Correct |
4 ms |
3572 KB |
Output is correct |
4 |
Correct |
16 ms |
3572 KB |
Output is correct |
5 |
Correct |
40 ms |
3572 KB |
Output is correct |
6 |
Correct |
80 ms |
3572 KB |
Output is correct |
7 |
Correct |
88 ms |
3572 KB |
Output is correct |
8 |
Correct |
60 ms |
3572 KB |
Output is correct |
9 |
Correct |
68 ms |
3572 KB |
Output is correct |
10 |
Correct |
100 ms |
3704 KB |
Output is correct |
11 |
Correct |
100 ms |
3704 KB |
Output is correct |
12 |
Correct |
96 ms |
3572 KB |
Output is correct |
13 |
Correct |
100 ms |
3572 KB |
Output is correct |
14 |
Correct |
100 ms |
3572 KB |
Output is correct |
15 |
Correct |
100 ms |
3572 KB |
Output is correct |
16 |
Correct |
68 ms |
3572 KB |
Output is correct |
17 |
Correct |
28 ms |
3572 KB |
Output is correct |
18 |
Correct |
100 ms |
3572 KB |
Output is correct |
19 |
Correct |
96 ms |
3704 KB |
Output is correct |
20 |
Correct |
100 ms |
3704 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
3572 KB |
Output is correct |
2 |
Correct |
0 ms |
3572 KB |
Output is correct |
3 |
Correct |
0 ms |
3572 KB |
Output is correct |
4 |
Correct |
0 ms |
3572 KB |
Output is correct |
5 |
Correct |
0 ms |
3572 KB |
Output is correct |
6 |
Correct |
0 ms |
3572 KB |
Output is correct |
7 |
Correct |
4 ms |
3572 KB |
Output is correct |
8 |
Correct |
4 ms |
3704 KB |
Output is correct |
9 |
Correct |
24 ms |
3836 KB |
Output is correct |
10 |
Correct |
16 ms |
3572 KB |
Output is correct |
11 |
Correct |
132 ms |
3572 KB |
Output is correct |
12 |
Correct |
80 ms |
3572 KB |
Output is correct |
13 |
Correct |
148 ms |
3836 KB |
Output is correct |
14 |
Correct |
188 ms |
5420 KB |
Output is correct |
15 |
Correct |
208 ms |
6212 KB |
Output is correct |
16 |
Correct |
268 ms |
10568 KB |
Output is correct |
17 |
Correct |
76 ms |
3572 KB |
Output is correct |
18 |
Correct |
148 ms |
3572 KB |
Output is correct |
19 |
Correct |
172 ms |
9116 KB |
Output is correct |
20 |
Correct |
116 ms |
11888 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
196 ms |
3572 KB |
Output is correct |
2 |
Correct |
816 ms |
3572 KB |
Output is correct |
3 |
Correct |
2244 ms |
3968 KB |
Output is correct |
4 |
Execution timed out |
4000 ms |
4628 KB |
Program timed out |
5 |
Halted |
0 ms |
0 KB |
- |