#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 = 400;
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;
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];
int now = hn, nxt;
while(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];
int now = hn, nxt;
while(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];
int now = hn, nxt;
while(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];
int now = hn, nxt;
while(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;
int now = 1, nxt;
while((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 |
1 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 |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 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 |
1 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 |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 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 |
7 ms |
1236 KB |
Output is correct |
19 |
Correct |
19 ms |
2104 KB |
Output is correct |
20 |
Correct |
44 ms |
2568 KB |
Output is correct |
21 |
Correct |
90 ms |
2504 KB |
Output is correct |
22 |
Correct |
75 ms |
2888 KB |
Output is correct |
23 |
Correct |
73 ms |
2264 KB |
Output is correct |
24 |
Correct |
71 ms |
2880 KB |
Output is correct |
25 |
Correct |
53 ms |
6248 KB |
Output is correct |
26 |
Correct |
58 ms |
6096 KB |
Output is correct |
27 |
Correct |
57 ms |
5028 KB |
Output is correct |
28 |
Correct |
55 ms |
6128 KB |
Output is correct |
29 |
Correct |
58 ms |
5404 KB |
Output is correct |
30 |
Correct |
64 ms |
4760 KB |
Output is correct |
31 |
Correct |
76 ms |
2540 KB |
Output is correct |
32 |
Correct |
68 ms |
1968 KB |
Output is correct |
33 |
Correct |
58 ms |
5708 KB |
Output is correct |
34 |
Correct |
57 ms |
6860 KB |
Output is correct |
35 |
Correct |
39 ms |
7768 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 |
2 ms |
468 KB |
Output is correct |
6 |
Correct |
2 ms |
468 KB |
Output is correct |
7 |
Correct |
2 ms |
724 KB |
Output is correct |
8 |
Correct |
4 ms |
852 KB |
Output is correct |
9 |
Correct |
7 ms |
1620 KB |
Output is correct |
10 |
Correct |
14 ms |
852 KB |
Output is correct |
11 |
Correct |
78 ms |
4920 KB |
Output is correct |
12 |
Correct |
34 ms |
3276 KB |
Output is correct |
13 |
Correct |
61 ms |
7364 KB |
Output is correct |
14 |
Correct |
71 ms |
6692 KB |
Output is correct |
15 |
Correct |
80 ms |
7524 KB |
Output is correct |
16 |
Correct |
47 ms |
6856 KB |
Output is correct |
17 |
Correct |
30 ms |
5100 KB |
Output is correct |
18 |
Correct |
50 ms |
8284 KB |
Output is correct |
19 |
Correct |
51 ms |
8512 KB |
Output is correct |
20 |
Correct |
33 ms |
4404 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 |
1 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 |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 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 |
7 ms |
1236 KB |
Output is correct |
19 |
Correct |
19 ms |
2104 KB |
Output is correct |
20 |
Correct |
44 ms |
2568 KB |
Output is correct |
21 |
Correct |
90 ms |
2504 KB |
Output is correct |
22 |
Correct |
75 ms |
2888 KB |
Output is correct |
23 |
Correct |
73 ms |
2264 KB |
Output is correct |
24 |
Correct |
71 ms |
2880 KB |
Output is correct |
25 |
Correct |
53 ms |
6248 KB |
Output is correct |
26 |
Correct |
58 ms |
6096 KB |
Output is correct |
27 |
Correct |
57 ms |
5028 KB |
Output is correct |
28 |
Correct |
55 ms |
6128 KB |
Output is correct |
29 |
Correct |
58 ms |
5404 KB |
Output is correct |
30 |
Correct |
64 ms |
4760 KB |
Output is correct |
31 |
Correct |
76 ms |
2540 KB |
Output is correct |
32 |
Correct |
68 ms |
1968 KB |
Output is correct |
33 |
Correct |
58 ms |
5708 KB |
Output is correct |
34 |
Correct |
57 ms |
6860 KB |
Output is correct |
35 |
Correct |
39 ms |
7768 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
0 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 |
2 ms |
468 KB |
Output is correct |
41 |
Correct |
2 ms |
468 KB |
Output is correct |
42 |
Correct |
2 ms |
724 KB |
Output is correct |
43 |
Correct |
4 ms |
852 KB |
Output is correct |
44 |
Correct |
7 ms |
1620 KB |
Output is correct |
45 |
Correct |
14 ms |
852 KB |
Output is correct |
46 |
Correct |
78 ms |
4920 KB |
Output is correct |
47 |
Correct |
34 ms |
3276 KB |
Output is correct |
48 |
Correct |
61 ms |
7364 KB |
Output is correct |
49 |
Correct |
71 ms |
6692 KB |
Output is correct |
50 |
Correct |
80 ms |
7524 KB |
Output is correct |
51 |
Correct |
47 ms |
6856 KB |
Output is correct |
52 |
Correct |
30 ms |
5100 KB |
Output is correct |
53 |
Correct |
50 ms |
8284 KB |
Output is correct |
54 |
Correct |
51 ms |
8512 KB |
Output is correct |
55 |
Correct |
33 ms |
4404 KB |
Output is correct |
56 |
Correct |
166 ms |
2948 KB |
Output is correct |
57 |
Correct |
378 ms |
7488 KB |
Output is correct |
58 |
Correct |
582 ms |
31296 KB |
Output is correct |
59 |
Correct |
968 ms |
58432 KB |
Output is correct |
60 |
Correct |
1068 ms |
80152 KB |
Output is correct |
61 |
Correct |
1503 ms |
49368 KB |
Output is correct |
62 |
Correct |
1944 ms |
13992 KB |
Output is correct |
63 |
Correct |
2101 ms |
8316 KB |
Output is correct |
64 |
Correct |
2254 ms |
7624 KB |
Output is correct |
65 |
Correct |
2068 ms |
5744 KB |
Output is correct |
66 |
Correct |
2688 ms |
7544 KB |
Output is correct |
67 |
Correct |
3360 ms |
13460 KB |
Output is correct |
68 |
Correct |
3977 ms |
73632 KB |
Output is correct |
69 |
Runtime error |
1493 ms |
167616 KB |
Execution killed with signal 11 |
70 |
Halted |
0 ms |
0 KB |
- |