#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
using namespace std;
const int NS = (int)1e5 + 4, SZ = (int)5e6 + 4;
int n, q;
int B = 450;
int a[NS];
int srt[NS];
int cnt[NS];
long long ans[NS];
struct ran{
int l, r, id;
bool operator<(const ran&R)const{
return l / B < R.l / B || (l / B == R.l / B && ((r < R.r) ^ (l / B % 2)));
}
}que[NS];
long long val[SZ], id[SZ];
int hn;
long long imsi;
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
register int i, l, r;
cin >> n >> q;
for(i = 0; i < n; ++i){
cin >> a[i];
srt[i] = a[i];
}
sort(srt, srt + n);
for(i = 0; i < n; ++i){
a[i] = lower_bound(srt, srt + n, a[i]) - srt;
}
for(i = 0; i < q; ++i){
cin >> que[i].l >> que[i].r;
--que[i].l, --que[i].r;
que[i].id = i;
}
sort(que, que + q);
r = -1, l = 0;
int now, nxt;
for(i = 0; i < q; ++i){
while(r < que[i].r){
++r;
++cnt[a[r]];
val[++hn] = (long long)srt[a[r]] * cnt[a[r]];
id[hn] = a[r];
for(now = hn; now > 1 && val[now] > val[nxt = (now >> 1)]; ){
imsi = val[now], val[now] = val[nxt], val[nxt] = imsi;
imsi = id[now], id[now] = id[nxt], id[nxt] = imsi;
now = nxt;
}
}
while(l > que[i].l){
--l;
++cnt[a[l]];
val[++hn] = (long long)srt[a[l]] * cnt[a[l]];
id[hn] = a[l];
for(now = hn; now > 1 && val[now] > val[nxt = (now >> 1)]; ){
imsi = val[now], val[now] = val[nxt], val[nxt] = imsi;
imsi = id[now], id[now] = id[nxt], id[nxt] = imsi;
now = nxt;
}
}
while(r > que[i].r){
--cnt[a[r]];
val[++hn] = (long long)srt[a[r]] * cnt[a[r]];
id[hn] = a[r];
for(now = hn; now > 1 && val[now] > val[nxt = (now >> 1)]; ){
imsi = val[now], val[now] = val[nxt], val[nxt] = imsi;
imsi = id[now], id[now] = id[nxt], id[nxt] = imsi;
now = nxt;
}
--r;
}
while(l < que[i].l){
--cnt[a[l]];
val[++hn] = (long long)srt[a[l]] * cnt[a[l]];
id[hn] = a[l];
for(now = hn; now > 1 && val[now] > val[nxt = (now >> 1)]; ){
imsi = val[now], val[now] = val[nxt], val[nxt] = imsi;
imsi = id[now], id[now] = id[nxt], id[nxt] = imsi;
now = nxt;
}
++l;
}
while(hn > 1 && (long long)srt[id[1]] * cnt[id[1]] != val[1]){
imsi = val[1], val[1] = val[hn], val[hn] = imsi;
imsi = id[1], id[1] = id[hn], id[hn] = imsi;
--hn;
for(now = 1; (nxt = now << 1) + 1 <= hn;){
if(val[nxt] > val[now] && val[nxt] > val[nxt + 1]){
imsi = val[now], val[now] = val[nxt], val[nxt] = imsi;
imsi = id[now], id[now] = id[nxt], id[nxt] = imsi;
now = nxt;
}
else if(val[nxt + 1] > val[now]){
imsi = val[now], val[now] = val[nxt + 1], val[nxt + 1] = imsi;
imsi = id[now], id[now] = id[nxt + 1], id[nxt + 1] = imsi;
now = nxt + 1;
}
else{
break;
}
}
if((nxt = now << 1) <= hn && val[nxt] > val[now]){
imsi = val[now], val[now] = val[nxt], val[nxt] = imsi;
imsi = id[now], id[now] = id[nxt], id[nxt] = imsi;
}
}
ans[que[i].id] = val[1];
}
for(i = 0; i < q; ++i){
cout << ans[i] << '\n';
}
return 0;
}
Compilation message
historic.cpp: In function 'int main()':
historic.cpp:29:18: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
29 | register int i, l, r;
| ^
historic.cpp:29:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
29 | register int i, l, r;
| ^
historic.cpp:29:24: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
29 | register int i, l, r;
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
292 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
292 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
3 ms |
468 KB |
Output is correct |
18 |
Correct |
10 ms |
1236 KB |
Output is correct |
19 |
Correct |
19 ms |
2272 KB |
Output is correct |
20 |
Correct |
52 ms |
3096 KB |
Output is correct |
21 |
Correct |
82 ms |
2968 KB |
Output is correct |
22 |
Correct |
77 ms |
3412 KB |
Output is correct |
23 |
Correct |
79 ms |
2644 KB |
Output is correct |
24 |
Correct |
96 ms |
3540 KB |
Output is correct |
25 |
Correct |
60 ms |
6764 KB |
Output is correct |
26 |
Correct |
61 ms |
6988 KB |
Output is correct |
27 |
Correct |
72 ms |
5644 KB |
Output is correct |
28 |
Correct |
63 ms |
6712 KB |
Output is correct |
29 |
Correct |
65 ms |
6068 KB |
Output is correct |
30 |
Correct |
67 ms |
5076 KB |
Output is correct |
31 |
Correct |
85 ms |
2888 KB |
Output is correct |
32 |
Correct |
76 ms |
2252 KB |
Output is correct |
33 |
Correct |
66 ms |
6300 KB |
Output is correct |
34 |
Correct |
64 ms |
7480 KB |
Output is correct |
35 |
Correct |
43 ms |
8424 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
2 ms |
724 KB |
Output is correct |
8 |
Correct |
5 ms |
852 KB |
Output is correct |
9 |
Correct |
10 ms |
1692 KB |
Output is correct |
10 |
Correct |
19 ms |
860 KB |
Output is correct |
11 |
Correct |
83 ms |
4828 KB |
Output is correct |
12 |
Correct |
36 ms |
3352 KB |
Output is correct |
13 |
Correct |
80 ms |
7380 KB |
Output is correct |
14 |
Correct |
73 ms |
6700 KB |
Output is correct |
15 |
Correct |
87 ms |
7472 KB |
Output is correct |
16 |
Correct |
64 ms |
6864 KB |
Output is correct |
17 |
Correct |
41 ms |
5160 KB |
Output is correct |
18 |
Correct |
63 ms |
8296 KB |
Output is correct |
19 |
Correct |
55 ms |
8540 KB |
Output is correct |
20 |
Correct |
28 ms |
4424 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
292 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
3 ms |
468 KB |
Output is correct |
18 |
Correct |
10 ms |
1236 KB |
Output is correct |
19 |
Correct |
19 ms |
2272 KB |
Output is correct |
20 |
Correct |
52 ms |
3096 KB |
Output is correct |
21 |
Correct |
82 ms |
2968 KB |
Output is correct |
22 |
Correct |
77 ms |
3412 KB |
Output is correct |
23 |
Correct |
79 ms |
2644 KB |
Output is correct |
24 |
Correct |
96 ms |
3540 KB |
Output is correct |
25 |
Correct |
60 ms |
6764 KB |
Output is correct |
26 |
Correct |
61 ms |
6988 KB |
Output is correct |
27 |
Correct |
72 ms |
5644 KB |
Output is correct |
28 |
Correct |
63 ms |
6712 KB |
Output is correct |
29 |
Correct |
65 ms |
6068 KB |
Output is correct |
30 |
Correct |
67 ms |
5076 KB |
Output is correct |
31 |
Correct |
85 ms |
2888 KB |
Output is correct |
32 |
Correct |
76 ms |
2252 KB |
Output is correct |
33 |
Correct |
66 ms |
6300 KB |
Output is correct |
34 |
Correct |
64 ms |
7480 KB |
Output is correct |
35 |
Correct |
43 ms |
8424 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
468 KB |
Output is correct |
41 |
Correct |
2 ms |
340 KB |
Output is correct |
42 |
Correct |
2 ms |
724 KB |
Output is correct |
43 |
Correct |
5 ms |
852 KB |
Output is correct |
44 |
Correct |
10 ms |
1692 KB |
Output is correct |
45 |
Correct |
19 ms |
860 KB |
Output is correct |
46 |
Correct |
83 ms |
4828 KB |
Output is correct |
47 |
Correct |
36 ms |
3352 KB |
Output is correct |
48 |
Correct |
80 ms |
7380 KB |
Output is correct |
49 |
Correct |
73 ms |
6700 KB |
Output is correct |
50 |
Correct |
87 ms |
7472 KB |
Output is correct |
51 |
Correct |
64 ms |
6864 KB |
Output is correct |
52 |
Correct |
41 ms |
5160 KB |
Output is correct |
53 |
Correct |
63 ms |
8296 KB |
Output is correct |
54 |
Correct |
55 ms |
8540 KB |
Output is correct |
55 |
Correct |
28 ms |
4424 KB |
Output is correct |
56 |
Correct |
186 ms |
3496 KB |
Output is correct |
57 |
Correct |
456 ms |
8112 KB |
Output is correct |
58 |
Correct |
624 ms |
33272 KB |
Output is correct |
59 |
Correct |
1049 ms |
62240 KB |
Output is correct |
60 |
Runtime error |
1147 ms |
162488 KB |
Execution killed with signal 11 |
61 |
Halted |
0 ms |
0 KB |
- |