/*input
6
1 2
0 0
2 0
0 0
0 0
0 1
*/
#pragma GCC optimize("O3")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
using ll = long long;
using ull = unsigned long long;
using ld = long double;
template<typename A, typename B>
using omap = tree <A, B, less<A>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename A>
using oset = tree <A, null_type, less<A>, rb_tree_tag, tree_order_statistics_node_update>;
const ll mod = 1e9 + 7;
ll ran(ll a, ll b)
{
//return a + (ll)(rng() % (b - a + 1));
return uniform_int_distribution<ll>(a, b)(rng);
}
ll power(ll x, ll p)
{
if (abs(x) >= mod)
x %= mod;
if (x < 0)
x += mod;
if (abs(p) >= mod - 1)
p %= mod - 1;
if (p < 0)
p += mod - 1;
ll r = 1;
while (p)
{
if (p % 2)
r = (r * x) % mod;
x = (x * x) % mod;
p /= 2;
}
return r;
}
void solve()
{
int N;
cin >> N;
int a[N];
for (int i = 0; i < N; i++)
{
int f, b;
cin >> f >> b;
a[i] = f - b;
}
priority_queue<pair<ll, ll>>S;
ll F = 1e6;
ll pr = -5e11;
S.push({pr, -F});
S.push({0, F});
ll v0 = F * -pr;
ll sh = 0;
ll sl = 0;
for (int i = 0; i < N; i++)
{
sh += a[i];
sl--;
S.push({sh, 2});
if (S.top().second == 1)
S.pop();
else
{
pair<ll, ll>x = S.top();
S.pop();
x.second--;
S.push(x);
}
v0 += abs(pr - sh);
}
while (S.top().first >= sh)
S.pop();
S.push({sh, 0});
vector<pair<ll, ll>>V;
while (!S.empty())
{
V.push_back(S.top());
S.pop();
}
reverse(V.begin(), V.end());
for (int i = 0; i + 1 < V.size(); i++)
{
sl += V[i].second;
v0 += (V[i + 1].first - V[i].first) * sl;
}
cout << v0 << "\n";
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
solve();
}
Compilation message
bulves.cpp: In function 'void solve()':
bulves.cpp:96:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int>, std::allocator<std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
96 | for (int i = 0; i + 1 < V.size(); i++)
| ~~~~~~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
15 ms |
1748 KB |
Output is correct |
5 |
Correct |
27 ms |
2368 KB |
Output is correct |
6 |
Correct |
89 ms |
3448 KB |
Output is correct |
7 |
Correct |
203 ms |
21652 KB |
Output is correct |
8 |
Correct |
145 ms |
10568 KB |
Output is correct |
9 |
Correct |
173 ms |
20392 KB |
Output is correct |
10 |
Correct |
122 ms |
6472 KB |
Output is correct |
11 |
Correct |
129 ms |
10564 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
15 ms |
1748 KB |
Output is correct |
5 |
Correct |
27 ms |
2368 KB |
Output is correct |
6 |
Correct |
89 ms |
3448 KB |
Output is correct |
7 |
Correct |
203 ms |
21652 KB |
Output is correct |
8 |
Correct |
145 ms |
10568 KB |
Output is correct |
9 |
Correct |
173 ms |
20392 KB |
Output is correct |
10 |
Correct |
122 ms |
6472 KB |
Output is correct |
11 |
Correct |
129 ms |
10564 KB |
Output is correct |
12 |
Correct |
44 ms |
2924 KB |
Output is correct |
13 |
Correct |
100 ms |
5704 KB |
Output is correct |
14 |
Correct |
209 ms |
21176 KB |
Output is correct |
15 |
Correct |
146 ms |
10608 KB |
Output is correct |
16 |
Correct |
154 ms |
9660 KB |
Output is correct |
17 |
Correct |
139 ms |
14716 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
2 ms |
340 KB |
Output is correct |
15 |
Correct |
2 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
15 ms |
1748 KB |
Output is correct |
12 |
Correct |
27 ms |
2368 KB |
Output is correct |
13 |
Correct |
89 ms |
3448 KB |
Output is correct |
14 |
Correct |
203 ms |
21652 KB |
Output is correct |
15 |
Correct |
145 ms |
10568 KB |
Output is correct |
16 |
Correct |
173 ms |
20392 KB |
Output is correct |
17 |
Correct |
122 ms |
6472 KB |
Output is correct |
18 |
Correct |
129 ms |
10564 KB |
Output is correct |
19 |
Correct |
44 ms |
2924 KB |
Output is correct |
20 |
Correct |
100 ms |
5704 KB |
Output is correct |
21 |
Correct |
209 ms |
21176 KB |
Output is correct |
22 |
Correct |
146 ms |
10608 KB |
Output is correct |
23 |
Correct |
154 ms |
9660 KB |
Output is correct |
24 |
Correct |
139 ms |
14716 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
2 ms |
340 KB |
Output is correct |
28 |
Correct |
2 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
38 ms |
3228 KB |
Output is correct |
34 |
Correct |
94 ms |
9984 KB |
Output is correct |
35 |
Correct |
161 ms |
12348 KB |
Output is correct |
36 |
Correct |
148 ms |
12344 KB |
Output is correct |
37 |
Correct |
153 ms |
15676 KB |
Output is correct |
38 |
Correct |
157 ms |
12272 KB |
Output is correct |
39 |
Correct |
155 ms |
19372 KB |
Output is correct |
40 |
Correct |
121 ms |
11852 KB |
Output is correct |
41 |
Correct |
146 ms |
19260 KB |
Output is correct |
42 |
Correct |
141 ms |
19508 KB |
Output is correct |
43 |
Correct |
127 ms |
18752 KB |
Output is correct |
44 |
Correct |
122 ms |
12472 KB |
Output is correct |
45 |
Correct |
162 ms |
12348 KB |
Output is correct |
46 |
Correct |
164 ms |
22544 KB |
Output is correct |
47 |
Correct |
106 ms |
11004 KB |
Output is correct |