QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#67191 | #5098. 第一代图灵机 | 10circle | 0 | 1914ms | 54356kb | C++14 | 5.5kb | 2022-12-10 10:31:05 | 2022-12-10 10:31:09 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vint;
int read() {
int a = 0, b = 0; char c = getchar();
while (c < '0' || c > '9') b ^= (c == '-'), c = getchar();
while (c >= '0' && c <= '9') a = a * 10 - 48 + c, c = getchar();
return b ? -a : a;
}
const int N = 200005;
ll a[N], sa[N];
mt19937 rnd(20221210);
typedef unsigned int uint;
int c[N], n, m, q;
struct pir {
int a, b;
};
struct node {
int ls, rs, val, siz, sec;
pir sq;
uint pri;
};
const int NS = 1000005;
struct treap {
node tr[NS];
int cnt, rot;
function <pir(pir, pir)> ud;
void init(function <pir(pir, pir)> f, pir q) { cnt = rot = 0, ud = f; tr[0].sec = q.b, tr[0].val = q.a, tr[0].sq = q; }
int nnode(int val, int sec) { return tr[++cnt] = node{0, 0, val, 1, sec, pir{val, sec}, uint(rnd())}, cnt; }
void upd(int rt) {
if (!rt) return;
node &p = tr[rt];
p.siz = tr[p.ls].siz + 1 + tr[p.rs].siz;
p.sq = ud(ud(tr[p.ls].sq, pir{p.val, p.sec}), tr[p.rs].sq);
}
pir split(int rt, int k) { // v <= k and k < v
if (!rt) return pir{0, 0};
node &p = tr[rt];
if (p.val <= k) {
pir o = split(p.rs, k);
p.rs = o.a, o.a = rt, upd(rt);
return o;
} else {
pir o = split(p.ls, k);
p.ls = o.b, o.b = rt, upd(rt);
return o;
}
}
int merge(int a, int b) {
if (!a || !b) return a + b;
node &pa = tr[a], &pb = tr[b];
if (pa.pri < pb.pri) {
pa.rs = merge(pa.rs, b);
upd(a); return a;
} else {
pb.ls = merge(a, pb.ls);
upd(b); return b;
}
}
void ins(int vl, int se) {
int id = nnode(vl, se);
pir o = split(rot, vl);
o.a = merge(o.a, id);
rot = merge(o.a, o.b);
}
void era(int vl) {
pir o = split(rot, vl - 1);
pir p = split(o.b, vl);
rot = merge(o.a, p.b);
}
pir leq(int k, int rt = -1) {
if (rt == -1) rt = rot;
node &p = tr[rt];
if (!rt) return p.sq;
if (p.val <= k) return ud(ud(tr[p.ls].sq, pir{p.val, p.sec}), leq(k, p.rs));
else return leq(k, p.ls);
}
pir req(int k, int rt = -1) {
if (rt == -1) rt = rot;
node &p = tr[rt];
if (!rt) return p.sq;
if (p.val < k) return req(k, p.rs);
else return ud(ud(pir{p.val, p.sec}, tr[p.rs].sq), req(k, p.ls));
}
} T1, T2;
struct treap2 {
struct node2 {
int ls, rs, val, siz, sec;
ll vl;
uint pri;
};
node2 tr[NS];
int cnt, rot;
int nnode(int val, int sec) { return tr[++cnt] = node2{0, 0, val, 1, sec, sa[sec] - sa[val - 1], uint(rnd())}, cnt; }
void upd(int rt) {
if (!rt) return;
node2 &p = tr[rt];
p.siz = tr[p.ls].siz + 1 + tr[p.rs].siz;
p.vl = max(tr[p.ls].vl, max(sa[p.sec] - sa[p.val - 1], tr[p.rs].vl));
}
pir split(int rt, int k) { // v <= k and k < v
if (!rt) return pir{0, 0};
node2 &p = tr[rt];
if (p.val <= k) {
pir o = split(p.rs, k);
p.rs = o.a, o.a = rt, upd(rt);
return o;
} else {
pir o = split(p.ls, k);
p.ls = o.b, o.b = rt, upd(rt);
return o;
}
}
int merge(int a, int b) {
if (!a || !b) return a + b;
node2 &pa = tr[a], &pb = tr[b];
if (pa.pri < pb.pri) {
pa.rs = merge(pa.rs, b);
upd(a); return a;
} else {
pb.ls = merge(a, pb.ls);
upd(b); return b;
}
}
void ins(int vl, int se) {
if (vl > se || vl <= 0 || se > n) return;
int id = nnode(vl, se);
pir o = split(rot, vl);
o.a = merge(o.a, id);
rot = merge(o.a, o.b);
}
void era(int vl) {
pir o = split(rot, vl - 1);
pir p = split(o.b, vl);
rot = merge(o.a, p.b);
}
ll qry(int l, int r, int rt = -1, int gl = 0, int gr = 0) {
if (rt == -1) rt = rot;
node2 &p = tr[rt];
if (!rt) return -1;
if (gl && gr) return p.vl;
if (p.val < l) return qry(l, r, p.rs, gl, gr);
if (r < p.sec) return qry(l, r, p.ls, gl, gr);
return max(sa[p.sec] - sa[p.val - 1], max(qry(l, r, p.ls, gl, 1), qry(l, r, p.rs, 1, gr)));
}
} T3;
set <int> s[N];
void ins(int l, int r) {
pir A = T2.leq(r), B = T1.req(l);
swap(A.a, A.b);
if (l <= A.a || B.b <= r) return;
T3.era(A.a + 1);
T3.ins(A.a + 1, r - 1);
T3.ins(l + 1, B.b - 1);
T2.ins(r, l);
T1.ins(l, r);
}
void era(int l, int r) {
T1.era(l), T2.era(r);
pir A = T2.leq(r), B = T1.req(l);
swap(A.a, A.b);
if (l <= A.a || B.b <= r) return;
T3.era(A.a + 1);
T3.era(l + 1);
T3.ins(A.a + 1, B.b - 1);
}
const int INF = 0x3f3f3f3f;
int main() {
// freopen("a.in", "r", stdin);
// freopen("a.out", "w", stdout);
n = read(), m = read(), q = read();
for (int i = 1; i <= n; ++i) a[i] = read(), sa[i] = sa[i - 1] + a[i];
for (int i = 1; i <= n; ++i) c[i] = read(), s[c[i]].insert(i);
T1.init([&](pir a, pir b) { return a.b < b.b ? a : b; }, pir{INF, INF}); // T1 : key = l, qry : min(r)
T2.init([&](pir a, pir b) { return a.b < b.b ? b : a; }, pir{0, 0}); // T2 : key = r, qry : max(l)
for (int i = 1; i <= n; ++i) {
auto p = s[c[i]].upper_bound(i);
if (p != s[c[i]].end()) ins(i, *p);
}
while (q--) {
int op = read(), l = read(), r = read();
if (op == 1) {
int xl = T2.leq(r).b, mr = T1.req(l).b;
ll ans = max(sa[r] - sa[max(l - 1, xl)], sa[min(r, mr - 1)] - sa[l - 1]);
ans = max(ans, T3.qry(l, r));
cout << ans << '\n';
} else {
auto p = s[c[l]].upper_bound(l);
if (p != s[c[l]].end()) era(l, *p);
--p;
if (p != s[c[l]].begin()) --p, era(*p, l);
s[c[l]].erase(l);
c[l] = r;
p = s[c[l]].upper_bound(l);
if (p != s[c[l]].begin() && p != s[c[l]].end()) {
auto q = prev(p);
era(*q, *p);
ins(*q, l);
}
if (p != s[c[l]].end()) ins(l, *p);
s[c[l]].insert(l);
}
}
return 0;
}
详细
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 23ms
memory: 13592kb
input:
5000 200 5000 2315 3433 1793 4621 4627 4561 289 4399 3822 2392 392 4581 2643 2441 4572 4649 2981 3094 4206 2057 761 2516 2849 3509 3033 658 4965 3316 3269 4284 4961 753 1187 2515 1377 1725 4743 4761 3823 3464 4859 989 2401 953 875 1481 2181 103 2067 2625 3296 4721 61 3843 1607 997 4385 1284 4299 441...
output:
6280486 7891765 4381270 3987542 3987542 1734248 3808468 7891765 7891765 7891765 5085992 7891765 5085992 7891765 1906943 1622245 3307252 1622245 31218 3307252 7891765 5085992 7891765 39374 7128162 6280486 185878 7128162 7891765 4381270 7891765 6280486 7891765 7891765 7891765 7891765 7891765 6280486 7...
result:
wrong answer 1st lines differ - expected: '118571', found: '6280486'
Subtask #2:
score: 0
Wrong Answer
Test #3:
score: 0
Wrong Answer
time: 1914ms
memory: 54356kb
input:
200000 10 200000 55651 97298 108697 86619 60721 199951 10610 162267 154301 138848 39191 18605 101369 57073 34977 101576 71252 143401 89587 160521 166491 38442 150761 35579 25571 121311 38033 38483 144639 41401 179161 54872 157905 137601 46863 187656 171901 43715 41036 150741 69057 102031 130561 4772...
output:
25584637 23138807 17270530 25584637 25584637 25584637 25584637 25584637 17270530 25584637 10872821 16914433 25328564 25584637 25584637 25584637 24197042 12650016 25584637 25584637 25584637 23138807 22943037 24197042 25584637 23138807 25584637 23138807 25328564 17091076 13292109 25584637 25584637 253...
result:
wrong answer 1st lines differ - expected: '1232419', found: '25584637'
Subtask #3:
score: 0
Wrong Answer
Test #5:
score: 0
Wrong Answer
time: 1005ms
memory: 44332kb
input:
200000 20000 200000 30681 32496 35471 48191 159123 69792 120915 150673 187226 158493 36275 26856 107976 124777 145229 69745 183961 14497 144808 153612 185893 137681 66417 46802 19345 113322 168046 128149 191001 135433 13201 139214 59489 81178 42343 163158 110121 119201 97501 53079 158755 192241 1132...
output:
16521535703 15704925625 12131585782 14484458082 11818653229 14343040511 13140906601 19476720175 15704925625 15704925625 19571799 3300011783 16465238985 17847020825 12303206891 6851556676 14484458082 6973224107 18521397391 15779067227 15704925625 13517152700 16914741383 18843973383 18009237129 144844...
result:
wrong answer 1st lines differ - expected: '46702944', found: '16521535703'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%
Subtask #5:
score: 0
Skipped
Dependency #4:
0%