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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#225760 | #7523. Partially Free Meal | ammardab3an | ML | 1ms | 5504kb | C++20 | 4.4kb | 2023-10-25 05:29:57 | 2023-10-25 05:29:58 |
Judging History
answer
// By AmmarDab3an
#include <bits/stdc++.h>
using namespace std;
#define int int64_t
#define ll int64_t
// typedef unsigned int uint;
// typedef long long int ll;
// typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<int, pii> iii;
typedef pair<ll, pll> lll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpii;
typedef vector<pll> vpll;
#define endl '\n'
#define fastIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define freopenI freopen("input.txt", "r", stdin);
#define freopenO freopen("output.txt", "w", stdout);
const int INF = 0x3f3f3f3f;
const ll INFLL = 0x3f3f3f3f3f3f3f3f;
const int MOD = 1e9 + 7;
const double EPS = 1e-9;
const double PI = acos(-1);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rand(int x, int y) {
return uniform_int_distribution<int>(x, y)(rng);
}
int mul(int a, int b){
int ret = (1ll * (a%MOD) * (b%MOD)) % MOD;
return (ret+MOD)%MOD;
}
int add(int a, int b){
int ret = (1ll * (a%MOD) + (b%MOD)) % MOD;
return (ret+MOD)%MOD;
}
int pow_exp(int n, int p){
if(!p) return 1;
if(p&1) return mul(n, pow_exp(n, p-1));
int tmp = pow_exp(n, p/2);
return mul(tmp, tmp);
}
int inv(int x){
return pow_exp(x, MOD-2);
}
const int MAX = 2e5 + 10;
const int NMAX = 2e5 + 10;
const int MMAX = 2e5 + 10;
const int LOG_MAX = ceil(log2(double(NMAX)));
const int BLOCK = ceil(sqrt(double(NMAX)));
// int fac[NMAX], ifac[NMAX];
//
// void init(){
//
// fac[0] = 1;
// for(int i = 1; i < NMAX; i++){
// fac[i] = mul(fac[i-1], i);
// }
//
// ifac[NMAX-1] = inv(fac[NMAX-1]);
// for(int i = NMAX-2; i >= 0; i--){
// ifac[i] = mul(ifac[i+1], i+1);
// }
// }
//
// int choose(int n, int c){
// assert(n >= c);
// return mul(fac[n], mul(ifac[c], ifac[n-c]));
// }
struct node{
int cnt;
int sm_val;
node *lf, *ri;
node(){
cnt = 0;
sm_val = 0;
lf = ri = nullptr;
}
node(int cnt, int val) : cnt(cnt), sm_val(val) {
lf = ri = nullptr;
}
node(node *lf, node *ri) : lf(lf), ri(ri) {
cnt = lf->cnt + ri->cnt;
sm_val = lf->sm_val + ri->sm_val;
}
node *update(int l, int r, int p){
if(p < l || r < p){
return this;
}
if(l==r){
return new node(this->cnt+1, this->sm_val + p);
}
int mid = (l+r)/2;
if(!lf) lf = new node();
if(!ri) ri = new node();
node *nlf = lf->update(l, mid, p);
node *nri = ri->update(mid+1, r, p);
return new node(nlf, nri);
}
node *update(int p){
return update(0, 1e9, p);
}
int query(int l, int r, int k){
if(!k){
return 0;
}
if(k > this->cnt){
return INFLL;
}
if(l==r){
assert(this->cnt >= k);
return k * l;
}
assert(lf);
int mid = (l+r)/2;
if(lf->cnt > k){
return lf->query(l, mid, k);
}
else{
int ret = lf->sm_val;
if(ri) ret += ri->query(mid+1, r, k - lf->cnt);
return ret;
}
}
int query(int k){
return query(0, 1e9, k);
}
void dfs(int l=0, int r=1e9){
if(l==r){
cout << l << ' ' << this->cnt << ' ' << this->sm_val << endl;
return;
}
int mid = (l+r)/2;
if(lf) lf->dfs(l, mid);
if(ri) ri->dfs(mid+1, r);
}
};
vpii vec;
int ans[NMAX];
node* tree[NMAX];
void go(int i, int j, int l, int r){
if(i > j){
return;
}
int mid = (i+j)/2;
pii bst = {INFLL, -1};
for(int k = l; k <= r; k++){
pii cans = {((mid-1==0) ? 0 : (!k ? INFLL : tree[k-1]->query(mid-1))) + (vec[k].first + vec[k].second), k};
// cout << mid << ' ' << k << ' ' << cans.first << endl;
bst = min(bst, cans);
}
assert(bst.second != -1);
ans[mid-1] = bst.first;
int opt = bst.second;
go(i, mid-1, l, opt);
go(mid+1, j, opt, r);
}
int32_t main(){
fastIO;
#ifdef LOCAL
freopenI;
freopenO;
#endif
// freopen("name.in", "r", stdin);
// init();
int n;
cin >> n;
vec = vpii(n);
for(auto &[b, a] : vec) cin >> a >> b;
sort(vec.begin(), vec.end());
tree[0] = new node();
tree[0] = tree[0]->update(vec[0].second);
for(int i = 1; i < n; i++){
tree[i] = tree[i-1]->update(vec[i].second);
}
// tree[n-1]->dfs();
// cout << tree[n-1]->query(3) << endl;
go(1, n, 0, n-1);
for(int i = 0; i < n; i++){
cout << ans[i] << endl;
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 5504kb
input:
3 2 5 4 3 3 7
output:
7 11 16
result:
ok 3 lines
Test #2:
score: -100
Memory Limit Exceeded
input:
200000 466436993 804989151 660995237 756645598 432103296 703610564 6889895 53276988 873617076 822481192 532911431 126844295 623111499 456772252 937464699 762157133 708503076 786039753 78556972 5436013 582960979 398984169 786333369 325119902 930705057 615928139 924915828 506145001 164984329 208212435...
output:
1318594 3208018 5570526 7340845 9223347 11149865 12332210 13476823 14788280 16172895 17768627 19336633 20693779 22005236 23389851 25073157 26760338 28509336 30294967 32093959 33976461 35893858 37754030 39588384 41470886 43388283 45309771 47309654 48837539 50417767 52079411 53762717 55190044 56577630...