| # |
제출 시각 |
아이디 |
문제 |
언어 |
결과 |
실행 시간 |
메모리 |
| 1091955 |
2024-09-22T17:19:08 Z |
huyngo |
벽 (IOI14_wall) |
C++17 |
|
413 ms |
34616 KB |
#include "wall.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using i64 = long long;
void __print(int x) { cerr << x; } void __print(long x) { cerr << x; } void __print(long long x) { cerr << x; } void __print(unsigned x) { cerr << x; } void __print(unsigned long x) { cerr << x; } void __print(unsigned long long x) { cerr << x; } void __print(float x) { cerr << x; } void __print(double x) { cerr << x; } void __print(long double x) { cerr << x; } void __print(char x) { cerr << '\'' << x << '\''; } void __print(const char* x) { cerr << '"' << x << '"'; } void __print(const string& x) { cerr << '"' << x << '"'; } void __print(bool x) { cerr << (x ? "true" : "false"); } template<typename T, typename V> void __print(const pair<T, V>& x) { cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}'; } template<typename T> void __print(const T& x) { int f = 0; cerr << '{'; for (auto& i : x) cerr << (f++ ? "," : ""), __print(i); cerr << "}"; } void _print() { cerr << "]\n"; } template <typename T, typename... V> void _print(T t, V... v) { __print(t); if (sizeof...(v)) cerr << ", "; _print(v...); }
#define dbg(x...) cerr << "[" << #x << "] = ["; _print(x)
#define ln "\n"
#define fastIO() ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define all(x) (x).begin(), (x).end()
#define rep(i,a,b) for(int i=a; i<=b; ++i)
#define ar array
int Bit(int mask, int b) { return (mask >> b) & 1; }
const ll base = 311, MOD = 998244353, M = 1e9 + 7, INF = 1e18;
template<class Info, class Tag>
struct LazySegmentTree {
int n;
std::vector<Info> info;
std::vector<Tag> tag;
LazySegmentTree() : n(0) {}
LazySegmentTree(int n_, Info v_ = Info()) {
init(n_, v_);
}
template<class T>
LazySegmentTree(std::vector<T> init_) {
init(init_);
}
void init(int n_, Info v_ = Info()) {
init(std::vector(n_, v_));
}
template<class T>
void init(std::vector<T> init_) {
n = init_.size();
info.assign(4 << std::__lg(n), Info());
tag.assign(4 << std::__lg(n), Tag());
std::function<void(int, int, int)> build = [&](int p, int l, int r) {
if (r - l == 1) {
info[p] = init_[l];
return;
}
int m = (l + r) / 2;
build(2 * p, l, m);
build(2 * p + 1, m, r);
pull(p);
};
build(1, 0, n);
}
void pull(int p) {
info[p] = info[2 * p] + info[2 * p + 1];
}
void apply(int p, const Tag& v) {
info[p].apply(v);
tag[p].apply(v);
}
void push(int p) {
apply(2 * p, tag[p]);
apply(2 * p + 1, tag[p]);
tag[p] = Tag();
}
void modify(int p, int l, int r, int x, const Info& v) {
if (r - l == 1) {
info[p] = v;
return;
}
int m = (l + r) / 2;
push(p);
if (x < m) {
modify(2 * p, l, m, x, v);
}
else {
modify(2 * p + 1, m, r, x, v);
}
pull(p);
}
void modify(int p, const Info& v) {
modify(1, 0, n, p, v);
}
Info rangeQuery(int p, int l, int r, int x, int y) {
if (l >= y || r <= x) {
return Info();
}
if (l >= x && r <= y) {
return info[p];
}
int m = (l + r) / 2;
push(p);
return rangeQuery(2 * p, l, m, x, y) + rangeQuery(2 * p + 1, m, r, x, y);
}
// note: query on [l,r)
Info rangeQuery(int l, int r) {
return rangeQuery(1, 0, n, l, r);
}
void rangeApply(int p, int l, int r, int x, int y, const Tag& v) {
if (l >= y || r <= x) {
return;
}
if (l >= x && r <= y) {
apply(p, v);
return;
}
int m = (l + r) / 2;
push(p);
rangeApply(2 * p, l, m, x, y, v);
rangeApply(2 * p + 1, m, r, x, y, v);
pull(p);
}
// note: apply on [l,r)
void rangeApply(int l, int r, const Tag& v) {
return rangeApply(1, 0, n, l, r, v);
}
template<class F>
int findFirst(int p, int l, int r, int x, int y, F pred) {
if (l >= y || r <= x || !pred(info[p])) {
return -1;
}
if (r - l == 1) {
return l;
}
int m = (l + r) / 2;
push(p);
int res = findFirst(2 * p, l, m, x, y, pred);
if (res == -1) {
res = findFirst(2 * p + 1, m, r, x, y, pred);
}
return res;
}
template<class F>
int findFirst(int l, int r, F pred) {
return findFirst(1, 0, n, l, r, pred);
}
template<class F>
int findLast(int p, int l, int r, int x, int y, F pred) {
if (l >= y || r <= x || !pred(info[p])) {
return -1;
}
if (r - l == 1) {
return l;
}
int m = (l + r) / 2;
push(p);
int res = findLast(2 * p + 1, m, r, x, y, pred);
if (res == -1) {
res = findLast(2 * p, l, m, x, y, pred);
}
return res;
}
template<class F>
int findLast(int l, int r, F pred) {
return findLast(1, 0, n, l, r, pred);
}
};
constexpr i64 inf = 1E18;
struct Tag {
i64 lz = 0;
int lastAdd = 0;
void apply(Tag t) {
lz = max(lz, t.lz);
lastAdd = max(lastAdd, t.lastAdd);
}
};
struct Tag2 {
i64 lz = inf;
void apply(Tag2 t) {
lz = min(lz, t.lz);
}
};
struct Info {
i64 max = -inf;
i64 min = inf;
void apply(Tag t) {
max = std::max(max, t.lz);
min = std::min(min, t.lz);
}
void apply(Tag2 t) {
max = std::max(max, t.lz);
min = std::min(min, t.lz);
}
};
Info operator+(Info a, Info b) {
Info c;
c.max = std::max(a.max, b.max);
c.min = std::min(a.min, b.min);
return c;
}
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]) {
if (k <= 5000) {
rep(i, 0, k - 1) {
if (op[i] == 1)
rep(j, left[i], right[i])
finalHeight[j] = max(finalHeight[j], height[i]);
else
rep(j, left[i], right[i])
finalHeight[j] = min(finalHeight[j], height[i]);
}
return;
}
LazySegmentTree<Info, Tag> add(n, Info{ 0,0 });
rep(i, 0, k - 1) {
if (op[i] == 1)
add.rangeApply(left[i], right[i] + 1, Tag{ height[i] });
}
LazySegmentTree<Info, Tag2> rem(n);
rep(i, 0, n - 1) {
int x = add.rangeQuery(i, i + 1).max;
rem.modify(i, Info{ x,x });
}
rep(i, 0, k - 1)
if (op[i] == 2) {
rem.rangeApply(left[i], right[i] + 1, Tag2{ height[i] });
}
rep(i, 0, n - 1)
finalHeight[i] = rem.rangeQuery(i, i + 1).min;
return;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
13 ms |
632 KB |
Output is correct |
| 5 |
Correct |
18 ms |
660 KB |
Output is correct |
| 6 |
Correct |
16 ms |
600 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
90 ms |
13908 KB |
Output is correct |
| 3 |
Correct |
138 ms |
11316 KB |
Output is correct |
| 4 |
Correct |
413 ms |
34040 KB |
Output is correct |
| 5 |
Correct |
287 ms |
34616 KB |
Output is correct |
| 6 |
Correct |
274 ms |
33080 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
2 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
18 ms |
636 KB |
Output is correct |
| 5 |
Correct |
13 ms |
632 KB |
Output is correct |
| 6 |
Correct |
13 ms |
636 KB |
Output is correct |
| 7 |
Correct |
0 ms |
344 KB |
Output is correct |
| 8 |
Correct |
83 ms |
13820 KB |
Output is correct |
| 9 |
Correct |
139 ms |
11316 KB |
Output is correct |
| 10 |
Correct |
402 ms |
33992 KB |
Output is correct |
| 11 |
Correct |
290 ms |
34612 KB |
Output is correct |
| 12 |
Correct |
304 ms |
33112 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Incorrect |
85 ms |
13900 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
13 ms |
640 KB |
Output is correct |
| 5 |
Correct |
13 ms |
604 KB |
Output is correct |
| 6 |
Correct |
13 ms |
640 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
83 ms |
13860 KB |
Output is correct |
| 9 |
Correct |
139 ms |
11372 KB |
Output is correct |
| 10 |
Correct |
411 ms |
34028 KB |
Output is correct |
| 11 |
Correct |
290 ms |
34616 KB |
Output is correct |
| 12 |
Correct |
273 ms |
33156 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Incorrect |
87 ms |
13820 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
