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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#184681 | #4037. Absolute Pairwise Distance | Insert_Username_Here | WA | 7ms | 7824kb | C++20 | 2.6kb | 2023-09-21 04:17:19 | 2023-09-21 04:17:20 |
Judging History
answer
#include <bits/stdc++.h>
#define f first
#define s second
#define mp make_pair
using namespace std;
typedef long long ll;
const ll mod = 1e9 + 7;
// Cope Counter = at least 205
struct qry {
ll l, r, i, t;
qry() {
l = r = i = t = 0;
}
qry(ll a, ll b, ll c, ll d) {
l = a, r = b, i = c, t = d;
}
};
bool comp(qry &a, qry &b) {
if(a.l / 321 == b.l / 321) return a.r < b.r;
return a.l < b.l;
}
struct sqd {
ll block[321], sum[100321];
void clear() {
for(ll i = 0; i < 321; i++) block[i] = 0;
for(ll i = 0; i < 1e5 + 321; i++) sum[i] = 0;
}
sqd() {
clear();
}
void update(ll i, ll x) {
for(ll j = i / 321 + 1; j < 321; j++) block[j] += x;
for(ll j = i; j < (i / 321 + 1) * 321; j++) sum[j] += x;
}
ll query(ll i) {
if(i < 0) return 0;
return block[i / 321] + sum[i];
}
};
signed main() {
ios::sync_with_stdio(0);
cin.tie(0);
ll n, q;
cin >> n >> q;
pair<ll, ll> arr[n];
for(ll i = 0; i < n; i++) {
cin >> arr[i].f;
arr[i].s = i;
}
sort(arr, arr + n);
ll cur = 0;
ll a[n];
for(ll i = 0; i < n; i++) {
if(i > 0 && arr[i].f != arr[i - 1].f) cur++;
a[arr[i].s] = cur;
}
vector<qry> qrys;
ll l1, r1, l2, r2;
for(ll i = 0; i < q; i++) {
cin >> l1 >> r1 >> l2 >> r2;
l1--, r1--, l2--, r2--;
qrys.push_back(qry(r1, r2, i, 1));
if(l1 > 0) qrys.push_back(qry(l1 - 1, r2, i, -1));
if(l2 > 0) qrys.push_back(qry(r1, l2 - 1, i, -1));
if(l1 > 0 && l2 > 0) qrys.push_back(qry(l1 - 1, l2 - 1, i, 1));
}
sort(qrys.begin(), qrys.end(), comp);
ll l = 0, r = 0;
vector<qry> kms[n];
ll d[qrys.size()];
for(ll i = 0; i < qrys.size(); i++) {
d[i] = 0;
if(qrys[i].r > r) kms[l].push_back(qry(r + 1, qrys[i].r, i, 1));
if(qrys[i].r < r) kms[l].push_back(qry(qrys[i].r + 1, r, i, -1));
if(qrys[i].l > l) kms[qrys[i].r].push_back(qry(l + 1, qrys[i].l, i, 1));
if(qrys[i].l < l) kms[qrys[i].r].push_back(qry(qrys[i].l + 1, l, i, -1));
l = qrys[i].l, r = qrys[i].r;
}
sqd cnt, sum;
cur = 0;
for(ll i = 0; i < n; i++) {
cnt.update(a[i], 1);
sum.update(a[i], arr[i].f);
cur += arr[i].f;
for(qry j : kms[i]) {
for(ll k = j.l; k <= j.r; k++) {
d[j.i] += j.t * (arr[k].f * (2 * cnt.query(a[k]) - i - 1) + cur - 2 * sum.query(a[k]));
}
}
}
cur = 0;
ll ans[q];
for(ll i = 0; i < q; i++) ans[i] = 0;
for(ll i = 0; i < qrys.size(); i++) {
cur += d[i];
ans[qrys[i].i] += qrys[i].t * cur;
}
for(ll i = 0; i < q; i++) cout << ans[i] << "\n";
}
Details
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Test #1:
score: 0
Wrong Answer
time: 7ms
memory: 7824kb
input:
3531 5803 74176369 34532623 97215138 20242270 85176324 44458100 86497709 71971680 57465677 61041230 69951857 80200098 11594209 20849868 84413937 93600227 54771865 31195982 73364328 72732309 10451014 71263803 72054056 97836493 40190962 6061330 8001777 68117678 61121864 54581549 85284322 23842874 6478...
output:
-308438032435 335650244761 360653557385 110407022744 550726356453 133353221325 162469745513 641031168892 1063395298846 -276879553786 113800885959 9626913829 201541396373 -339339484933 -155838496357 2142255841 73373980279 492874536615 40619376912 -26428224793 -67453331742 29535318685 -39896196346 224...
result:
wrong answer 1st numbers differ - expected: '4982399918307', found: '-308438032435'