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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#244683#6192. Interval ProblemZeardoeWA 79ms29536kbC++204.0kb2023-11-09 14:25:582023-11-09 14:25:58

Judging History

你现在查看的是最新测评结果

  • [2023-11-09 14:25:58]
  • 评测
  • 测评结果:WA
  • 用时:79ms
  • 内存:29536kb
  • [2023-11-09 14:25:58]
  • 提交

answer

/*
[templates]: 
duipai
spjdp
compre
addhis
floor_sum
treedfs
matrix
network_flow
polynomial
lca
bitset
valuesgt
fenwick
erbitree
*/
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx")
#include<bits/stdc++.h>
using namespace std;
#define int long long
//use ll instead of int.
#define f(i, a, b) for(int i = (a); i <= (b); i++)
#define cl(i, n) i.clear(),i.resize(n);
#define endl '\n'
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int inf = 1e18;
//#define cerr if(false)cerr
//#define freopen if(false)freopen
mt19937 rng(time(0)); 
int rnd(int l, int r) {return rng() % (r-l+1) + l; }
#define watch(x) cerr  << (#x) << ' '<<'i'<<'s'<<' ' << x << endl
void pofe(int number, int bitnum) {
    string s; f(i, 0, bitnum) {s += char(number & 1) + '0'; number >>= 1; } 
    reverse(s.begin(), s.end()); cerr << s << endl; 
    return;
}
template <typename TYP> void cmax(TYP &x, TYP y) {if(x < y) x = y;}
template <typename TYP> void cmin(TYP &x, TYP y) {if(x > y) x = y;}
//调不出来给我对拍!
//use std::array.
const int N = 200000; 
struct node {
    int id, l, r; 
}a[N + 10]; int n; 
int ans[N + 10], sz[N + 10]; 
vector<int> son[N + 10]; int fa[N + 10]; int rgt[N + 10]; int id[N + 10]; 
int dep[N + 10]; int tmans = 0; int trsz[N + 10]; 
void dfs(int now) {
    // cerr << "dfs: " << now << ", dep = " << dep[now] << endl; 
    tmans += dep[now]; trsz[now] = 1;  
    for(int i : son[now]) if(i != now) {
        dep[i] = dep[now] + 1;  dfs(i);
        trsz[now] += trsz[i]; 
    }
}
void solve2(int lo, int hi) {
    int qlo = (lo - 1) * 2 + 1, qhi = hi * 2; 
    f(i, lo, hi) sz[i] = hi - lo; 
    // cerr << lo << " " << hi << endl; 
    f(i, lo, hi) son[i].clear(); 
    f(i, qlo, qhi) rgt[i] = 0; 
    f(i, lo, hi) rgt[a[i].l] = a[i].r, id[a[i].r] = i; 
    // f(i, qlo, qhi) cerr << rgt[i] << " ";
    // cerr << endl; 
    for(int i = qlo + 1; i <= qhi; i ++) cmax(rgt[i], rgt[i - 1]); 
    // f(i, qlo, qhi) cerr << rgt[i] << " ";
    // cerr << endl;
    f(i, lo, hi) {
        int anc = id[rgt[a[i].r]];
        son[anc].push_back(i); 
        fa[i] = anc;  
    }
    // f(i, lo, hi) {
        // cerr << "fa[" << i << "] = " << fa[i] << endl; 
    // }
    int root = 0; tmans = 0;
    f(i, lo, hi) if(fa[i] == i) root = i; 
    dep[root] = 1; 
    dfs(root); 
    // cerr << "tmans = " << tmans << endl; 
    vector<pii> rvec; 
    f(i, lo, hi) rvec.push_back({a[i].r, i});
    sort(rvec.begin(), rvec.end(), greater<pii>()); 
    // for(pii it : rvec) cerr << "r = " << it.first << ", id = " << it.second << endl ;
    int j = 0; 
    for(int i = hi; i >= lo; i --) {
        // cerr << "i = " << i << endl; 
        while(j < (int)rvec.size() && rvec[j].first >= a[i].l) {
            // cerr << "del: " << j << endl; 
            tmans -= trsz[rvec[j].second]; j ++; 
        }
        // cerr << "tmans = " << tmans << endl; 
        ans[a[i].id] += tmans; 
    } 
}
void solve() {
    sort(a + 1, a + n + 1, [=](node x, node y) {
        return x.l < y.l; 
    }); 
    int mxr = 0; int cur = 0; 
    f(i, 1, n + 1) {
        if(i == n + 1 || mxr < a[i].l) {
            if(cur != 0) solve2(cur, i - 1); 
            cur = i; 
        }
        cmax(mxr, a[i].r); 
    }
}
signed main() {
    ios::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    //freopen();
    //freopen();
    //time_t start = clock();
    //think twice,code once.
    //think once,debug forever.
    cin >> n; 
    f(i, 1, n) {
        a[i].id = i; 
        cin >> a[i].l >> a[i].r; 
    }
    solve(); 
    f(i, 1, n) {
        a[i].l = 2 * n + 1 - a[i].l; 
        a[i].r = 2 * n + 1 - a[i].r; 
        swap(a[i].l, a[i].r); 
    }
    solve(); 
    f(i, 1, n) cout << ans[i] + sz[i] << endl; 
    //time_t finish = clock();
    //cout << "time used:" << (finish-start) * 1.0 / CLOCKS_PER_SEC <<"s"<< endl;
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 3ms
memory: 19872kb

input:

5
2 3
6 7
1 9
5 10
4 8

output:

7
5
4
5
5

result:

ok 5 number(s): "7 5 4 5 5"

Test #2:

score: -100
Wrong Answer
time: 79ms
memory: 29536kb

input:

200000
342504 342505
248314 248317
259328 259334
234817 234821
225726 225732
371424 371425
260562 260565
34752 34753
132098 132100
262130 262134
7254 7255
228491 228492
43488 43492
188408 188410
11691 11692
350334 350335
327350 327352
360684 360685
182051 182052
72131 72135
194666 194668
61303 61313...

output:

11
18
14
7
11
29
15
15
15
25
18
15
28
25
18
20
15
26
21
18
15
18
1
1
11
11
33
35
25
12
11
11
22
25
20
15
17
5
2
3
0
10
10
17
6
1
1
26
10
14
11
9
4
21
4
22
4
4
28
13
3
28
1
8
15
17
18
14
7
7
7
31
4
0
3
5
38
4
2
13
3
12
11
38
13
24
17
17
33
39
12
15
24
17
6
6
7
7
6
6
3
14
13
22
38
18
41
15
23
35
59
13...

result:

wrong answer 1st numbers differ - expected: '12', found: '11'