QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#768756 | #5657. Hungry Cow | Mispertion | 9.090909 | 1ms | 5944kb | C++23 | 5.0kb | 2024-11-21 14:15:38 | 2024-11-21 14:15:40 |
Judging History
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;
}
Details
Tip: Click on the bar to expand more detailed information
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...