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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#709657 | #4780. 完美的队列 | NineSuns | 0 | 0ms | 0kb | C++14 | 4.0kb | 2024-11-04 16:04:37 | 2024-11-04 16:04:39 |
answer
#include <bits/stdc++.h>
#define ll long long
#define pii pair <int, int>
#define fi first
#define se second
#define pb push_back
using namespace std;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
const int N = 1e5+5, B = N, b = 85, inf = 0x3f3f3f3f;
int n, m, a[N], l[N], r[N], x[N], rk[N], lb[B], rb[B], sr[N], cb[B], sa[N], bv[N], ans[N], ed;
pii stk[N];
vector <int> dx[B], col[N];
deque <pii> qs[N];
int mx, ad;
struct ST {
priority_queue <pii> a, b;
void ins (pii x) {
a.push(x);
}
void del (pii x) {
b.push(x);
}
int size () {
return a.size()-b.size();
}
pii top () {
while (a.top() == b.top()) a.pop(), b.pop();
return a.top();
}
}qb[B];
void chk (int id, int x, int k) {
if (l[id] <= lb[x] && rb[x] <= r[id]) {
mx += k; ad += k;
return;
}
if (l[id] > rb[x] || r[id] < lb[x]) return;
mx = -inf;
for (int j = max(l[id], lb[x]);j <= min(r[id], rb[x]);j++) bv[j] += k;
for (int j = lb[x];j <= rb[x];j++) mx = max(mx, ad+bv[j]);
}
void solve () {
cin >> n >> m;
for (int i = 1;i <= n;i++) cin >> a[i];
for (int i = 1;i <= m;i++) cin >> l[i] >> r[i] >> x[i], col[x[i]].pb(i);
for (int i = 1; ;i++) {
lb[i] = rb[i-1]+1; rb[i] = min(n, rb[i-1]+b);
for (int j = lb[i];j <= rb[i];j++) rk[j] = i;
if (rb[i] == n) break;
}
for (int i = 1;i <= m;i++) {
if (rk[l[i]] == rk[r[i]]) {
for (int j = l[i];j <= r[i];j++) {
sa[j]++;
if (qs[j].size()) {
qb[rk[j]].del({qs[j].front().fi-sa[j]+1, j});
if (sa[j]+cb[rk[j]] >= qs[j].front().fi) {
sr[qs[j].front().se] = max(sr[qs[j].front().se], i-1), qs[j].pop_front();
}
}
qs[j].pb({cb[rk[j]]+sa[j]+a[j], i});
qb[rk[j]].ins({qs[j].front().fi-sa[j], j});
}
}
else {
for (int j = l[i];j <= rb[rk[l[i]]];j++) {
sa[j]++;
if (qs[j].size()) {
qb[rk[j]].del({qs[j].front().fi-sa[j]+1, j});
if (sa[j]+cb[rk[j]] >= qs[j].front().fi) {
sr[qs[j].front().se] = max(sr[qs[j].front().se], i-1), qs[j].pop_front();
}
}
qs[j].pb({cb[rk[j]]+sa[j]+a[j], i});
qb[rk[j]].ins({qs[j].front().fi-sa[j], j});
}
for (int j = lb[rk[r[i]]];j <= r[i];j++) {
sa[j]++;
if (qs[j].size()) {
qb[rk[j]].del({qs[j].front().fi-sa[j]+1, j});
if (sa[j]+cb[rk[j]] >= qs[j].front().fi) {
sr[qs[j].front().se] = max(sr[qs[j].front().se], i-1), qs[j].pop_front();
}
}
qs[j].pb({cb[rk[j]]+sa[j]+a[j], i});
qb[rk[j]].ins({qs[j].front().fi-sa[j], j});
}
for (int j = rk[l[i]]+1;j < rk[r[i]];j++) {
cb[j]++;
while (qb[j].size()) {
pii k = qb[j].top();
if (k.fi > cb[j]) break;
qb[j].del(k);
sr[qs[k.se].front().se] = max(sr[qs[k.se].front().se], i-1);
qs[k.se].pop_front();
if (qs[k.se].size()) qb[j].ins({qs[k.se].front().fi-sa[k.se], k.se});
}
dx[j].pb(i);
}
}
}
// return;
for (int i = 1;i <= rk[n];i++) {
int l = 1, r = 0; mx = -inf; ad = 0;
for (int z = lb[i];z <= rb[i];z++) mx = max(mx, a[z]), bv[z] = a[z];
for (int j : dx[i]) {
while (r < j) ++r, chk(r, i, -1);
while (l <= j) chk(l, i, 1), l++;
while (r < m && mx > 0) ++r, chk(r, i, -1);
// cout << j << " " << r << endl;
if (mx > 0) sr[j] = max(sr[j], m);
else sr[j] = max(sr[j], r-1);
}
}
for (int i = 1;i <= n;i++) while (qs[i].size()) sr[qs[i].front().se] = m, qs[i].pop_front();
for (int i = 1;i <= 1e5;i++) {
reverse(col[i].begin(), col[i].end());
for (int j : col[i]) {
int r = sr[j];
while (ed && stk[ed].fi <= r) {
r = max(r, stk[ed].se); ed--;
}
stk[++ed] = {j, r};
}
while (ed) {
ans[stk[ed].fi]++; ans[stk[ed].se+1]--;
ed--;
}
}
for (int i = 1;i <= m;i++) ans[i] += ans[i-1];
for (int i = 1;i <= m;i++) cout << ans[i] << '\n';
}
signed main () {
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int T = 1;
while (T--) solve();
return 0;
}
詳細信息
Subtask #1:
score: 0
Runtime Error
Test #1:
score: 0
Runtime Error
input:
5000 4999 99 36 47 78 58 58 64 12 42 54 29 56 57 32 99 21 1 6 42 97 82 8 79 92 3 56 19 41 29 59 23 34 76 34 82 20 44 51 60 73 89 65 51 65 15 87 65 70 51 26 40 95 44 62 97 81 43 13 20 81 76 64 47 95 54 56 99 62 91 63 98 58 70 60 47 97 31 74 76 70 10 30 99 33 52 100 14 65 4 6 87 4 8 1 8 87 18 70 76 43...
output:
result:
Subtask #2:
score: 0
Skipped
Dependency #1:
0%
Subtask #3:
score: 0
Skipped
Dependency #2:
0%
Subtask #4:
score: 0
Skipped
Dependency #3:
0%
Subtask #5:
score: 0
Runtime Error
Test #5:
score: 0
Runtime Error
input:
25000 25000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
output:
result:
Subtask #6:
score: 0
Skipped
Dependency #4:
0%
Subtask #7:
score: 0
Runtime Error
Test #7:
score: 0
Runtime Error
input:
34999 35000 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...
output:
result:
Subtask #8:
score: 0
Skipped
Dependency #6:
0%
Subtask #9:
score: 0
Runtime Error
Test #9:
score: 0
Runtime Error
input:
45000 45000 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 ...
output:
result:
Subtask #10:
score: 0
Skipped
Dependency #8:
0%
Subtask #11:
score: 0
Skipped
Dependency #5:
0%
Subtask #12:
score: 0
Skipped
Dependency #11:
0%
Subtask #13:
score: 0
Runtime Error
Test #13:
score: 0
Runtime Error
input:
65000 65000 5 7 8 6 3 6 8 7 2 3 5 10 9 9 4 3 9 1 2 9 1 1 6 10 1 10 5 4 7 1 9 6 6 8 10 5 8 3 2 5 2 3 6 8 7 3 2 3 6 5 1 10 6 2 4 7 8 1 3 3 5 4 2 5 2 5 3 3 6 7 6 9 5 3 10 3 6 2 8 10 9 10 2 5 4 10 3 3 6 3 5 7 141 3 6 3 10 2 7 6 3 5 9 4 10 1 3 9 9 8 2 5 10 1 7 1 8 5 3 3 7 7 9 7 4 1 9 2 2 4 8 6 10 5 7 3 3...
output:
result:
Subtask #14:
score: 0
Skipped
Dependency #12:
0%
Subtask #15:
score: 0
Skipped
Dependency #13:
0%
Subtask #16:
score: 0
Skipped
Dependency #14:
0%
Subtask #17:
score: 0
Skipped
Dependency #16:
0%
Subtask #18:
score: 0
Skipped
Dependency #17:
0%
Subtask #19:
score: 0
Skipped
Dependency #18:
0%
Subtask #20:
score: 0
Skipped
Dependency #19:
0%