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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#791333 | #9738. Make It Divisible | Linx# | WA | 0ms | 3776kb | C++17 | 2.3kb | 2024-11-28 18:07:59 | 2024-11-28 18:08:01 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
void solve() {
int n, k;
cin >> n >> k;
std::vector<int> a(n + 1);
for(int i = 1; i <= n; i ++ ) {
cin >> a[i];
}
bool ok = 1;
for(int i = 1; i <= n; i ++ ) {
if(a[i] != a[1]) {
ok = 0;
break;
}
}
if(ok) {
cout << k << ' ' << (ll)(k + 1) * k / 2 << '\n';
return ;
}
deque<int> dq;
vector<pii> b;
for(int i = 1; i <= n; i ++ ) {
while(dq.size() && dq.back() <= a[i]) {
dq.pop_back();
}
if(dq.size()) {
b.push_back({dq.back(), a[i]});
}
dq.push_back(a[i]);
}
while(dq.size()) dq.pop_back();
for(int i = n; i >= 1; i -- ) {
while(dq.size() && dq.back() <= a[i]) {
dq.pop_back();
}
if(dq.size()) {
b.push_back({dq.back(), a[i]});
}
dq.push_back(a[i]);
}
bool fg = 0;
set<int> st;
for(auto [x, y] : b) {
int tmp = x - y;
if(!fg) {
for(int i = 1; i <= tmp / i; i ++ ) {
if(tmp % i == 0) {
if(tmp / i > y && tmp / i - y <= k) {
st.insert(tmp / i - y);
}
if(i > y && i - y <= k) {
st.insert(i - y);
}
}
}
fg = 1;
} else {
set<int> st2;
for(int i = 1; i <= tmp / i; i ++ ) {
if(tmp % i == 0) {
if(tmp / i > y && tmp / i - y <= k && st.find(tmp / i - y) != st.end()) {
st2.insert(tmp / i - y);
}
if(i > y && i - y <= k && st.find(i - y) != st.end()) {
st2.insert(i - y);
}
}
}
swap(st, st2);
}
}
cout << st.size() << ' ';
ll tot = 0;
for(auto x : st) {
tot += x;
}
cout << tot << '\n';
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
int t = 1;
cin >> t;
while(t -- ) {
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3604kb
input:
3 5 10 7 79 1 7 1 2 1000000000 1 2 1 100 1000000000
output:
3 8 0 0 100 5050
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 3776kb
input:
4 201 1000000000 1 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5...
output:
1 1 1 1 1 1 1 1
result:
wrong answer 1st lines differ - expected: '0 0', found: '1 1'