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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 |
---|---|---|---|---|---|---|---|---|---|
#104485 | #5098. 第一代图灵机 | bashkort | 0 | 501ms | 31356kb | C++20 | 3.3kb | 2023-05-10 20:41:42 | 2023-05-10 20:41:46 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
constexpr int N = 2e5 + 228;
ll pref[N];
int n;
namespace ST {
struct Info {
ll ans = 0;
int mn = 0;
};
vector<Info> t;
vector<ll> ansL;
int sz = 1;
ll vertexQuery(int x, int mn) {
if (x >= sz) {
if (x - sz >= n) {
return 0;
}
return t[x].mn >= mn ? 0 : pref[mn] - pref[x - sz + 1];
}
if (t[x << 1 | 1].mn < mn) {
return max(ansL[x], vertexQuery(x << 1 | 1, mn));
} else {
return vertexQuery(x << 1, mn);
}
}
void pull(int x) {
t[x].mn = min(t[x << 1].mn, t[x << 1 | 1].mn);
ansL[x] = vertexQuery(x << 1, t[x << 1 | 1].mn);
t[x].ans = max(ansL[x], t[x << 1 | 1].ans);
}
void init(int n, vector<int> nxt) {
sz = 1 << __lg(n) + !!(n & (n - 1));
t.assign(sz << 1, Info());
ansL.assign(sz << 1, 0);
for (int i = 0; i < n; ++i) {
t[i + sz].mn = nxt[i];
t[i + sz].ans = 0;
}
for (int i = sz - 1; i > 0; --i) {
pull(i);
}
}
ll rangeQuery(int l, int r, int &mn, int x = 1, int lx = 0, int rx = sz) {
if (l >= rx || lx >= r) {
return 0;
}
if (l <= lx && rx <= r) {
ll ans = vertexQuery(x, mn);
mn = min(mn, t[x].mn);
return ans;
}
int mid = lx + rx >> 1;
return rangeQuery(l, r, mn, x << 1 | 1, mid, rx) + rangeQuery(l, r, mn, x << 1, lx, mid);
}
void modify(int x, int i) {
t[x + sz].mn = i;
t[x + sz].ans = 0;
for (x += sz; x >>= 1;) {
pull(x);
}
}
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int m, q;
cin >> n >> m >> q;
for (int i = 1; i <= n; ++i) {
cin >> pref[i];
pref[i] += pref[i - 1];
}
vector<int> c(n), nxt(n, n), last(m, -1);
vector<set<int>> st(m);
for (int i = 0; i < m; ++i) {
st[i].insert(-1);
st[i].insert(n);
}
for (int i = 0; i < n; ++i) {
cin >> c[i];
c[i] -= 1;
st[c[i]].insert(i);
if (last[c[i]] != -1) {
nxt[last[c[i]]] = i;
}
last[c[i]] = i;
}
ST::init(n, nxt);
auto modify = [&](int x, int to) {
nxt[x] = to;
ST::modify(x, to);
};
auto replace = [&](int x, int col) {
if (c[x] == col) {
return;
}
st[c[x]].erase(x);
st[col].insert(x);
int p = *prev(st[c[x]].lower_bound(x));
int np = *prev(st[col].lower_bound(x));
int nx = *st[col].upper_bound(x);
int npx = *st[c[x]].upper_bound(p);
if (p != -1) {
modify(p, npx);
}
if (np != -1) {
modify(np, x);
}
modify(x, nx);
c[x] = col;
};
while (q--) {
int tp, a, b;
cin >> tp >> a >> b;
a -= 1;
if (tp == 1) {
cout << ST::rangeQuery(a, b, b) << '\n';
} else {
replace(a, b - 1);
}
}
return 0;
}
詳細信息
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 9ms
memory: 3872kb
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:
673044 432084 170040 436103 498818 379109 284337 578436 436501 536883 504560 590193 685951 575901 206744 226912 382941 212294 147144 416293 668690 446562 747981 0 310221 688091 338804 437089 388838 278109 371646 329512 565595 744050 325849 524564 761675 462638 517359 61130 559608 250262 570606 54292...
result:
wrong answer 1st lines differ - expected: '118571', found: '673044'
Subtask #2:
score: 0
Wrong Answer
Test #3:
score: 0
Wrong Answer
time: 501ms
memory: 28588kb
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:
14258783 7637402 13354673 12581487 14077724 15794355 14974603 14939393 8629118 14665674 9070683 9868748 13398825 13405763 10898870 12008249 8308139 9342839 12797133 14186591 13357350 10127229 13957815 10759796 10239286 13654951 10265430 13251671 10209969 11614554 8507646 12275829 15635603 11566191 1...
result:
wrong answer 1st lines differ - expected: '1232419', found: '14258783'
Subtask #3:
score: 0
Wrong Answer
Test #5:
score: 0
Wrong Answer
time: 424ms
memory: 31356kb
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:
288959490 390354633 229413762 227787790 163018654 396092274 259560882 301064886 300952561 228824761 90094545 104254456 218156791 357861127 388010490 161887696 305756196 226106022 340743326 188721726 361119944 261384248 272973108 180995929 275406968 158375004 375861875 101853609 357600004 216777932 3...
result:
wrong answer 1st lines differ - expected: '46702944', found: '288959490'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%
Subtask #5:
score: 0
Skipped
Dependency #4:
0%