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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
#768756#5657. Hungry CowMispertion9.090909 1ms5944kbC++235.0kb2024-11-21 14:15:382024-11-21 14:15:40

Judging History

你现在查看的是最新测评结果

  • [2024-11-21 14:15:40]
  • 评测
  • 测评结果:9.090909
  • 用时:1ms
  • 内存:5944kb
  • [2024-11-21 14:15:38]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
using ll = long long;
#define int ll
using ld = long double;
using pii = pair<int, int>;

#define F first
#define S second

const ld PI = 3.1415926535;
const int N = 1e5 + 5;
const int M = 1e5 + 1;
ll mod = 1e9 + 7;
const int infi = 1e9;
const ll infl = 1e16;
const int P = 31;

int mult(int a, int b) { return a * 1LL * b % mod; }

int sum(int a, int b) {
    if(a + b >= mod)
        return a + b - mod;
    if(a + b < 0)
        return a + b + mod;
    return a + b;
}

ll binpow(ll a, ll n) {
    if (n == 0) return 1;
    if (n % 2 == 1) {
        return binpow(a, n - 1) * a % (mod + 1);
    } else {
        ll b = binpow(a, n / 2);
        return b * b % (mod + 1);
    }
}

struct segtree_with_rollbacks{
    int t[M], sm[M], cnt[M], lc[M], rc[M], cur = 1;
    vector<pair<int, pii>> ver;

    int pr(int v){
        if(rc[v] == 0)
            rc[v] = ++cur;
        return rc[v];
    }

    int lv(int v){
        if(lc[v] == 0){
            lc[v] = ++cur;
        }
        return lc[v];
    }

    void scnt(int v, int x){
        ver.push_back({2, {v, cnt[v]}});
        cnt[v] = x;
    }

    void ssm(int v, int x){
        ver.push_back({1, {v, sm[v]}});
        sm[v] = x;
    }

    void st(int v, int x){
        ver.push_back({0, {v, t[v]}});
        t[v] = x;
    }

    void save(){
        ver.push_back({-1, {-1, -1}});
    }

    void roll_back(){
        ver.pop_back();
        while(ver.size() > 0 && ver.back().first != -1){
            if(ver.back().first == 0){
                t[ver.back().second.first] = ver.back().second.second;
            }else if(ver.back().first == 1){
                sm[ver.back().second.first] = ver.back().second.second;
            }else{
                cnt[ver.back().second.first] = ver.back().second.second;
            }
            ver.pop_back();
        }
    }

    void push(int v, int tl, int tr){
        if(tl == tr || t[v] == 0)
            return;
        int tm = (tl + tr) / 2;
        st(lv(v), t[v]);
        st(pr(v), t[v]);
        ssm(lv(v), ((tl + tm) * (tm - tl + 1) / 2) % mod);
        ssm(pr(v), ((tr + tm + 1) * (tr - tm) / 2) % mod);
        scnt(lv(v), tm - tl + 1);
        scnt(pr(v), tr - tm);
        st(v, 0);
    }

    void upd(int v, int tl, int tr, int l, int r){
        push(v, tl, tr);
        if(tl > r || l > tr){
            return;
        }
        if(l <= tl && tr <= r){
            st(v, 1);
            ssm(v, ((tl + tr) * (tr - tl + 1) / 2) % mod);
            scnt(v, tr - tl + 1);
            return;
        }
        int tm = (tl + tr) / 2;
        upd(lv(v), tl, tm, l, r);
        upd(pr(v), tm + 1, tr, l, r);
        ssm(v, (sm[lv(v)] + sm[pr(v)]) % mod);
        scnt(v, cnt[lv(v)] + cnt[pr(v)]);
    }

    int getcnt(int v, int tl, int tr, int l, int r){
        push(v, tl, tr);
        if(tl > r || l > tr)
            return 0;
        if(l <= tl && tr <= r)
            return cnt[v];
        int tm = (tl + tr) / 2;
        return getcnt(lv(v), tl, tm, l, r) + getcnt(pr(v), tm + 1, tr, l, r);
    }

    int getr(int v, int tl, int tr, int x, int prev){
        push(v, tl, tr);
        if(tl == tr){
            return tr;
        }
        int tm = (tl + tr) / 2;
        if(tm - (prev + cnt[lv(v)]) >= x)
            return getr(lv(v), tl, tm, x, prev);
        return getr(pr(v), tm + 1, tr, x, prev + cnt[lv(v)]);
    }
} t;

int n, ans[N];
map<int, vector<pii>> mp;
vector<pii> ops[4 * N];

void add(int v, int tl, int tr, int l, int r, pii x){
    if(tl > r || l > tr)
        return;
    if(l <= tl && tr <= r){
        ops[v].push_back(x);
        return;
    }
    int tm = (tl + tr) / 2;
    add(2 * v, tl, tm, l, r, x);
    add(2 * v + 1, tm + 1, tr, l, r, x);
}

void dfs(int v, int tl, int tr){
    for(auto e : ops[v]){
        int d = e.first, x = e.second;
        int pr = t.getcnt(1, 1, 1e18, 1, d - 1);
        int r = t.getr(1, 1, 1e18, d - 1 - pr + x, 0);
        t.upd(1, 1, 1e18, d, r);
    }
    t.save();
    if(tl == tr){
        ans[tl] = t.sm[1];
        t.roll_back();
    }else{
        int tm = (tl + tr) / 2;
        dfs(2 * v, tl, tm);
        dfs(2 * v + 1, tm + 1, tr);
        t.roll_back();
    }
}

void solve() {
    cin >> n;
    for(int i = 1; i <= n; i++){
        int d, cnt;
        cin >> d >> cnt;
        mp[d].push_back({i, cnt});
    }
    for(auto e : mp){
        int da = e.first;
        vector<pii> v = e.second;
        v.push_back({n + 1, 0});
        for(int i = 0; i < v.size() - 1; i++){
            int l = v[i].first, r = v[i + 1].first - 1;
            add(1, 1, n, l, r, {da, v[i].second});
        }
    }
    dfs(1, 1, n);
    for(int i = 1; i <= n; i++)
        cout << ans[i] << '\n';
}

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
    //cin >> t;
    while (t--) {
        solve();
    }
    return 0;
}

详细


Pretests


Final Tests

Test #1:

score: 4.54545
Accepted
time: 0ms
memory: 5684kb

input:

3
4 3
1 5
1 2

output:

15
36
18

result:

ok 3 number(s): "15 36 18"

Test #2:

score: 4.54545
Accepted
time: 1ms
memory: 5944kb

input:

9
1 89
30 7
101 26
1 24
5 1
60 4
5 10
101 0
1 200

output:

4005
4656
7607
3482
3507
3753
4058
1107
24531

result:

ok 9 numbers

Test #3:

score: 0
Runtime Error

input:

5000
1 255364995
414918035 212844
1 112266691
321122438 191414
1 277615842
848755093 61676
1 432591689
892259443 53755
1 263753018
173404455 173565
1 178341924
878941367 221276
1 65332960
439468128 240741
1 812238377
191076090 108732
1 180383041
927440330 112995
1 595696140
579818784 85614
1 5057816...

output:


result:


Test #4:

score: 0
Runtime Error

input:

100000
1 500000000
1000000001 500000000
2000000001 500000000
3000000001 500000000
4000000001 500000000
5000000001 500000000
6000000001 500000000
7000000001 500000000
8000000001 500000000
9000000001 500000000
10000000001 500000000
11000000001 500000000
12000000001 500000000
13000000001 500000000
1400...

output:


result:


Test #5:

score: 0
Runtime Error

input:

100000
49998999950002 500000000
49997999950003 500000000
49996999950004 500000000
49995999950005 500000000
49994999950006 500000000
49993999950007 500000000
49992999950008 500000000
49991999950009 500000000
49990999950010 500000000
49989999950011 500000000
49988999950012 500000000
49987999950013 500...

output:


result:


Test #6:

score: 0
Runtime Error

input:

100000
92303348842417 121458
92270522994821 852054850
93765096269940 752161890
97779083359973 984327853
90030769679569 439157849
99462493683485 45660
95578441605501 614317411
92236129196525 474149928
96065411631989 429943696
90394247621798 382840249
89263934750729 791122796
93577089467158 99679481
9...

output:


result:


Test #7:

score: 0
Runtime Error

input:

100000
98001410246890 641673458
94816407430628 495030536
95979591652947 43208
95979591652947 183686
97163521776290 904784415
91640049592559 875129980
95914835187460 844802426
94846379383324 974270031
99639652388956 311664277
99298294827771 913614463
99476866913169 221766107
97248342663994 669489020
...

output:


result:


Test #8:

score: 0
Runtime Error

input:

100000
97338601145206 191999210
97657969728741 875988993
92559675348135 8552565
99354409480201 960853995
93648768326445 343671323
97400841247229 104463842
98844341051398 508718383
96144328794112 187050711
98030257583732 365513
92378049740181 852725611
98301676983212 360931360
99458914124366 80234576...

output:


result:


Test #9:

score: 0
Runtime Error

input:

100000
96119987448606 658315028
98644701118435 280992389
98180676447908 56168
99822794299596 237183170
94655838918825 563695131
95744558879343 686204820
93739311062176 263266841
97630990881452 96901680
98683433984282 380708175
98141920320037 147598812
98095513966598 814629225
97882900659205 55097258...

output:


result:


Test #10:

score: 0
Runtime Error

input:

100000
98169641631056 170946511
99452522210742 393032132
98797460964704 393706377
98747209012224 529219651
99152468691953 362194103
99410753036475 215295
97096873124809 1315725
96106202009957 124516158
95176405230280 853965254
99359463136784 622839995
96635771520630 550456203
96368792029394 93630831...

output:


result:


Test #11:

score: 0
Runtime Error

input:

100000
97499080763005 475255826
97499083333242 9347
97499080763005 395470349
97499924236501 4654
97499080763005 148122052
97499213182916 2365
97499080763005 544025506
97499777050346 9912
97499080763005 41736833
97499401163067 12607
97499080763005 127843558
97499125181305 7144
97499080763005 13152858...

output:


result:


Test #12:

score: 0
Runtime Error

input:

100000
98999026537234 929244389
98999182418499 5182
98999026537234 774643967
98999646433835 17857
98999026537234 760743518
98999980664456 7597
98999026537234 573421161
98999090975969 6621
98999026537234 95191521
98999947586610 17798
98999026537234 953104244
98999116462517 15643
98999026537234 100617...

output:


result:


Test #13:

score: 0
Runtime Error

input:

100000
99499024212061 630391525
99499061152079 3864
99499024212061 16505706
99499878275777 4812
99499024212061 776185964
99499757280269 12059
99499024212061 356565635
99499399237611 8902
99499024212061 972528120
99499256994518 9171
99499024212061 419476867
99499909552451 17146
99499024212061 6767939...

output:


result:


Test #14:

score: 0
Runtime Error

input:

99999
10490328589436 1000000000
13762508396295 1000000000
40632115714511 1000000000
32834989282081 1000000000
29091918306598 1000000000
24352818172350 1000000000
23447797352860 1000000000
38073075086135 1000000000
14288530509239 1000000000
36463049009868 1000000000
10562334120356 1000000000
34490016...

output:


result:


Test #15:

score: 0
Runtime Error

input:

99999
61585049539216 1000000000
58981995705940 1000000000
44247484521936 1000000000
70916218483207 1000000000
47696673638497 1000000000
60781033156530 1000000000
55859922511212 1000000000
59143999312357 1000000000
57175954090596 1000000000
71328224891428 1000000000
46047599292678 1000000000
47510666...

output:


result:


Test #16:

score: 0
Runtime Error

input:

99999
21219982576425 1000000000
42260400232639 1000000000
26412110792985 1000000000
11035481121988 1000000000
13219690258669 1000000000
19550933913223 1000000000
32679237390903 1000000000
15679803374289 1000000000
23896051833122 1000000000
20099950455987 1000000000
14778766729432 1000000000
21547991...

output:


result:


Test #17:

score: 0
Runtime Error

input:

99999
28503598869279 1000000000
32397709666940 1000000000
25833502058723 1000000000
38020841213328 1000000000
54560138759501 1000000000
42230929758874 1000000000
28972613620824 1000000000
28498598787317 1000000000
54070131397843 1000000000
22084267818956 1000000000
37776835952805 1000000000
44465973...

output:


result:


Test #18:

score: 0
Runtime Error

input:

99999
18175781548542 1000000000
40883228277118 1000000000
33828113807745 1000000000
17817771477758 1000000000
22749897023579 1000000000
18015777423352 1000000000
28920025506062 1000000000
18799798298070 1000000000
27979006765970 1000000000
17103749421004 1000000000
24329932307643 1000000000
29798042...

output:


result:


Test #19:

score: 0
Runtime Error

input:

99999
13631696063382 1000000000
19095823575649 1000000000
18048800926387 1000000000
17060779354093 1000000000
15768748767399 1000000000
30886037572930 1000000000
26814970558482 1000000000
8165534157289 1000000000
27914989206121 1000000000
34170089895536 1000000000
27764986366439 1000000000
145187181...

output:


result:


Test #20:

score: 0
Runtime Error

input:

99999
71091006018203 1000000000
42267334298998 1000000000
53421686894439 1000000000
52992676205010 1000000000
49055576058012 1000000000
70721000416119 1000000000
43151374327143 1000000000
70716000332404 1000000000
51528640431406 1000000000
65945925001029 1000000000
39524135856472 1000000000
66414932...

output:


result:


Test #21:

score: 0
Runtime Error

input:

99999
43981987091230 1000000000
41793950053258 1000000000
23385527966154 1000000000
32049759202175 1000000000
48927065970165 1000000000
26694629471843 1000000000
27661655640242 1000000000
37241867113918 1000000000
49110069037684 1000000000
20323405372655 1000000000
43304975621086 1000000000
48021052...

output:


result:


Test #22:

score: 0
Runtime Error

input:

99999
31159466866911 1000000000
28413414847308 1000000000
25948364344910 1000000000
31236468095715 1000000000
22036273821032 1000000000
24056321657736 1000000000
36031551606814 1000000000
37935581367999 1000000000
40624624246259 1000000000
18857191994835 1000000000
22179277697755 1000000000
29154428...

output:


result: