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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 |
---|---|---|---|---|---|---|---|---|---|
#140745 | #5159. Justice Served | Gamal74# | WA | 643ms | 159048kb | C++20 | 3.6kb | 2023-08-16 19:12:24 | 2023-08-16 19:12:25 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
#define fi first
#define se second
#define pp push_back
#define all(x) (x).begin(), (x).end()
#define Ones(n) __builtin_popcount(n)
#define endl '\n'
#define mem(arrr, xx) memset(arrr,xx,sizeof arrr)
#define PI acos(-1)
//#define int long long
#define debug(x) cout << (#x) << " = " << x << endl
void Gamal() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
#ifdef Clion
freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
#endif
}
int dx[] = {+0, +0, -1, +1, +1, +1, -1, -1};
int dy[] = {-1, +1, +0, +0, +1, -1, +1, -1};
const double EPS = 1e-9;
const ll OO = 0X3F3F3F3F3F3F3F3F;
const int N = 2e5 + 5, INF = INT_MAX, MOD = 1e9 + 7, LOG = 20;
struct segTree {
vector<set<pii>> seg;
int sz = 1, n;
segTree(int nn) {
n = nn;
while (sz < nn)
sz *= 2;
seg.resize(2 * sz);
}
void update(int l, int r, int v, int x, int lx, int rx) {
bool add = false;
while (true) {
auto it = seg[x].upper_bound(make_pair(r, INF));
if (it == seg[x].begin()) {
add = true;
break;
}
it--;
if (v >= it->se) {
add = true;
seg[x].erase(it);
} else break;
}
if (add) {
auto it = seg[x].upper_bound(make_pair(r, INF));
if (it == seg[x].end() || v > it->se)
seg[x].insert({r, v});
}
if (lx == rx)return;
int mid = (lx + rx) / 2, lf = 2 * x + 1, rt = 2 * x + 2;
if (l <= mid)
update(l, r, v, lf, lx, mid);
else
update(l, r, v, rt, mid + 1, rx);
}
void update(int l, int r, int v) {
update(l, r, v, 0, 0, n - 1);
}
int query(int l, int r, int x, int lx, int rx) {
if (rx <= l) {
// answer
auto it = seg[x].lower_bound(make_pair(r, -1));
if (it == seg[x].end())return -1;
return it->se;
}
if (lx > l)return -1;
int mid = (lx + rx) / 2, lf = 2 * x + 1, rt = 2 * x + 2;
return max(query(l, r, lf, lx, mid), query(l, r, rt, mid + 1, rx));
}
int query(int l, int r) {
return query(l, r, 0, 0, n - 1);
}
};
void solve() {
int n;
cin >> n;
vector<pair<pii, int>> v(n);
vector<int> vals;
for (int i = 0; i < n; ++i) {
cin >> v[i].fi.fi >> v[i].fi.se;
v[i].fi.se += v[i].fi.fi;
v[i].fi.fi--, v[i].fi.se--;
vals.push_back(v[i].fi.fi);
vals.push_back(v[i].fi.se);
v[i].se = i;
}
sort(all(vals));
vals.erase(unique(all(vals)), vals.end());
for (int i = 0; i < n; ++i) {
v[i].fi.fi = lower_bound(all(vals), v[i].fi.fi) - vals.begin();
v[i].fi.se = lower_bound(all(vals), v[i].fi.se) - vals.begin();
}
sort(all(v), [&](pair<pii, int> &a, pair<pii, int> &b) {
return (a.fi.se - a.fi.fi + 1) > (b.fi.se - b.fi.fi + 1);
});
vector<int> ans(n);
segTree s(2 * n);
for (int i = 0; i < n; ++i) {
ans[v[i].se] = s.query(v[i].fi.fi, v[i].fi.se) + 1;
s.update(v[i].fi.fi, v[i].fi.se, ans[v[i].se]);
}
for (int i = 0; i < n; ++i) {
cout << ans[i] << ' ';
}
}
signed main() {
Gamal();
int t = 1;
// cin >> t;
while (t--) {
solve();
}
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3528kb
input:
4 2 8 1 7 4 5 5 2
output:
0 0 1 2
result:
ok single line: '0 0 1 2 '
Test #2:
score: 0
Accepted
time: 1ms
memory: 3472kb
input:
5 2 4 3 3 2 2 4 2 4 1
output:
0 1 1 2 3
result:
ok single line: '0 1 1 2 3 '
Test #3:
score: 0
Accepted
time: 607ms
memory: 158576kb
input:
200000 75760147 173015388 62879760 211229046 6728658 106668560 29476341 129401393 30531505 130450085 39792769 139780734 59486082 221617335 12447225 112582555 94207716 117434450 68962063 193352291 13519090 113644734 60611935 218232526 77901558 166662816 40316254 140281744 39094390 138994435 49921965 ...
output:
51062 25770 5 10 10 12 19010 7 88301 37698 7 21153 55418 12 11 11 10 24874 11 7 8 45763 24219 12 9 55419 8 4 12678 12 65162 11 1 33102 12 20822 81107 8 1958 98787 89734 10 95816 44261 89321 10 7 12 4 8126 16028 8 8 90492 70192 36706 8 10 46831 39832 38636 9 53669 7 12 4 12 12 10 83777 15930 8 4 8 46...
result:
ok single line: '51062 25770 5 10 10 12 19010 7...9 9 12 84254 91909 88054 9 7 7 '
Test #4:
score: -100
Wrong Answer
time: 643ms
memory: 159048kb
input:
200000 22478286 122609694 2666848 102602877 81344953 155917988 11205360 111352349 81248094 156190492 43638920 143549443 68394626 194903725 17861330 117826788 36708079 136815364 4734745 104627925 90398356 128943645 88701937 133897870 44946698 144761374 75120655 174473016 82684791 151861295 65374243 2...
output:
31 12 62136 28 61965 42 36423 28 43 15 79857 76627 42 49806 64760 30370 44 27 36 43 35942 23 43 86537 44 35 56638 82237 14 42 78728 44 88149 83524 27 14 90213 34740 10 12896 24116 31214 95746 31 80678 65090 39591 69575 15 19350 42 41 76197 11144 27 30708 26 58272 85102 8394 42 72511 31 60311 892 600...
result:
wrong answer 1st lines differ - expected: '31 12 62136 28 61965 42 36423 ...1 94480 42 28 94052 42630 32706', found: '31 12 62136 28 61965 42 36423 ... 94480 42 28 94052 42630 32706 '