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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 |
---|---|---|---|---|---|---|---|---|---|
#85475 | #5657. Hungry Cow | zlt | 9.090909 | 3ms | 13088kb | C++14 | 3.6kb | 2023-03-07 19:46:08 | 2023-03-07 19:46:11 |
Judging History
answer
// Problem: P9130 [USACO23FEB] Hungry Cow P
// Contest: Luogu
// URL: https://www.luogu.com.cn/problem/P9130
// Memory Limit: 512 MB
// Time Limit: 6000 ms
//
// Powered by CP Editor (https://cpeditor.org)
#include <bits/stdc++.h>
#define f(l, r) (((l + r) % mod) * ((r - l + 1) % mod) * inv2 % mod)
#define pb emplace_back
#define fst first
#define scd second
#define mems(a, x) memset((a), (x), sizeof(a))
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ldb;
typedef pair<ll, ll> pii;
const int maxn = 100100;
const ll N = (ll)1.2e15;
const ll mod = 1000000007;
const ll inv2 = (mod + 1) / 2;
bool test1;
int n, ls[maxn * 150], rs[maxn * 150], ntot, rt[maxn];
ll ans[maxn];
vector<pii> vc[maxn << 2];
struct node {
ll val, cnt;
bool tag;
} tree[maxn * 150];
bool test2;
void pushup(int x, ll l, ll r) {
if (tree[x].tag) {
tree[x].cnt = r - l + 1;
tree[x].val = f(l, r);
} else {
tree[x].cnt = tree[ls[x]].cnt + tree[rs[x]].cnt;
tree[x].val = (tree[ls[x]].val + tree[rs[x]].val) % mod;
}
}
int update(int rt, ll l, ll r, ll ql, ll qr) {
int u = ++ntot;
ls[u] = ls[rt];
rs[u] = rs[rt];
tree[u] = tree[rt];
if (ql <= l && r <= qr) {
tree[u].tag = 1;
tree[u].cnt = r - l + 1;
tree[u].val = f(l, r);
assert(tree[u].val >= 0);
return u;
}
ll mid = (l + r) >> 1;
if (ql <= mid) {
ls[u] = update(ls[u], l, mid, ql, qr);
}
if (qr > mid) {
rs[u] = update(rs[u], mid + 1, r, ql, qr);
}
pushup(u, l, r);
return u;
}
ll query(int rt, ll l, ll r, ll ql, ll qr, bool fl = 0) {
if (!rt) {
return fl ? min(qr, r) - max(ql, l) + 1 : 0;
}
fl |= tree[rt].tag;
if (ql <= l && r <= qr) {
return (fl ? r - l + 1 : tree[rt].cnt);
}
ll mid = (l + r) >> 1, res = 0;
if (ql <= mid) {
res += query(ls[rt], l, mid, ql, qr, fl);
}
if (qr > mid) {
res += query(rs[rt], mid + 1, r, ql, qr, fl);
}
return res;
}
ll find(int rt, ll l, ll r, ll x, bool fl = 0) {
if (!rt) {
return l + x - 1;
}
if (l == r) {
return l;
}
fl |= tree[rt].tag;
ll mid = (l + r) >> 1;
ll tmp = (fl ? 0 : mid - l + 1 - tree[ls[rt]].cnt);
return x <= tmp ? find(ls[rt], l, mid, x, fl) : find(rs[rt], mid + 1, r, x - tmp, fl);
}
void insert(int rt, int l, int r, int ql, int qr, pii x) {
if (ql <= l && r <= qr) {
vc[rt].pb(x);
return;
}
int mid = (l + r) >> 1;
if (ql <= mid) {
insert(rt << 1, l, mid, ql, qr, x);
}
if (qr > mid) {
insert(rt << 1 | 1, mid + 1, r, ql, qr, x);
}
}
void dfs(int u, int l, int r) {
int lsttot = ntot;
rt[u] = rt[u >> 1];
for (pii p : vc[u]) {
ll pos = find(rt[u], 1, N, p.scd + p.fst - 1 - query(rt[u], 1, N, 1, p.fst - 1));
rt[u] = update(rt[u], 1, N, p.fst, pos);
}
if (l == r) {
ans[l] = tree[rt[u]].val;
} else {
int mid = (l + r) >> 1;
dfs(u << 1, l, mid);
dfs(u << 1 | 1, mid + 1, r);
}
for (int i = lsttot + 1; i <= ntot; ++i) {
ls[i] = rs[i] = 0;
tree[i].val = tree[i].cnt = tree[i].tag = 0;
}
ntot = lsttot;
}
void solve() {
scanf("%d", &n);
map<ll, pii> mp;
for (int i = 1; i <= n; ++i) {
ll x, y;
scanf("%lld%lld", &x, &y);
if (mp.find(x) != mp.end()) {
insert(1, 1, n, mp[x].scd, i - 1, make_pair(x, mp[x].fst));
}
mp[x] = make_pair(y, i);
}
for (auto p : mp) {
insert(1, 1, n, p.scd.scd, n, make_pair(p.fst, p.scd.fst));
}
dfs(1, 1, n);
for (int i = 1; i <= n; ++i) {
printf("%lld\n", ans[i]);
}
}
int main() {
fprintf(stderr, "%.2lf MB\n", (&test2 - &test1) / 1048576.);
int T = 1;
// scanf("%d", &T);
while (T--) {
solve();
}
return 0;
}
详细
Test #1:
score: 4.54545
Accepted
time: 1ms
memory: 13088kb
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: 3ms
memory: 13088kb
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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
Dangerous Syscalls
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...