#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#include <bits/stdc++.h>
#define owo(i,a, b) for(int i=(a);i<(b); ++i)
#define uwu(i,a, b) for(int i=(a)-1; i>=(b); --i)
#define senpai push_back
#define ttgl pair<int, int>
#define ayaya cout<<"ayaya~"<<endl
using namespace std;
/*#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<ttgl, null_type,less<ttgl>, rb_tree_tag,tree_order_statistics_node_update>*/
using ll = long long;
using ld = long double;
const ll MOD = 998244353;
const ll root = 62;
int gcd(int a,int b){return b?gcd(b,a%b):a;}
ll binpow(ll a,ll b){ll res=1;while(b){if(b&1)res=(res*a)%MOD;a=(a*a)%MOD;b>>=1;}return res;}
ll modInv(ll a){return binpow(a, MOD-2);}
const double PI = acos(-1);
const double eps = 1e-6;
const int INF = 0x3f3f3f3f;
const int NINF = 0xc0c0c0c0;
const ll INFLL = 0x3f3f3f3f3f3f3f3f;
const ll NINFLL = 0xc0c0c0c0c0c0c0c0;
const int mxN = 500001;
ll arr[mxN];
ll c[mxN];
int n;
int main() {
//freopen("file.in", "r", stdin);
//freopen("file.out", "w", stdout);
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
cin.tie(0)->sync_with_stdio(0);
priority_queue<ll> pq;
cin>>n;
ll k, a, b;
ll ans = 0;
owo(i, 1, n+1) {
cin>>a>>b;
c[i] = c[i-1] + a - b;
}
owo(i, 1, n+1) {
if(c[i]>c[n]) {
ans+=c[i]-c[n];
c[i] = c[n];
}
if(c[i]<0) {
ans-=c[i];
c[i] = 0;
}
pq.push(c[i]);
k = c[i];
while(pq.top()>k) {
ans+=pq.top()-k;
ll temp = pq.top();
pq.pop();
pq.push(k);
k = temp;
}
}
cout<<ans<<"\n";
return 0;
}
Compilation message
bulves.cpp:2: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
2 | #pragma GCC optimization ("O3")
|
bulves.cpp:3: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
3 | #pragma GCC optimization ("unroll-loops")
|
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
512 KB |
Output is correct |
4 |
Correct |
9 ms |
1792 KB |
Output is correct |
5 |
Correct |
17 ms |
2940 KB |
Output is correct |
6 |
Correct |
52 ms |
7924 KB |
Output is correct |
7 |
Correct |
106 ms |
15212 KB |
Output is correct |
8 |
Correct |
94 ms |
13420 KB |
Output is correct |
9 |
Correct |
87 ms |
12672 KB |
Output is correct |
10 |
Correct |
70 ms |
10476 KB |
Output is correct |
11 |
Correct |
69 ms |
10476 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
512 KB |
Output is correct |
4 |
Correct |
9 ms |
1792 KB |
Output is correct |
5 |
Correct |
17 ms |
2940 KB |
Output is correct |
6 |
Correct |
52 ms |
7924 KB |
Output is correct |
7 |
Correct |
106 ms |
15212 KB |
Output is correct |
8 |
Correct |
94 ms |
13420 KB |
Output is correct |
9 |
Correct |
87 ms |
12672 KB |
Output is correct |
10 |
Correct |
70 ms |
10476 KB |
Output is correct |
11 |
Correct |
69 ms |
10476 KB |
Output is correct |
12 |
Correct |
28 ms |
4212 KB |
Output is correct |
13 |
Correct |
78 ms |
11060 KB |
Output is correct |
14 |
Correct |
109 ms |
15212 KB |
Output is correct |
15 |
Correct |
90 ms |
13420 KB |
Output is correct |
16 |
Correct |
95 ms |
12780 KB |
Output is correct |
17 |
Correct |
90 ms |
10496 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
512 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
512 KB |
Output is correct |
13 |
Correct |
1 ms |
512 KB |
Output is correct |
14 |
Correct |
1 ms |
512 KB |
Output is correct |
15 |
Correct |
1 ms |
512 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
512 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
512 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
9 ms |
1792 KB |
Output is correct |
12 |
Correct |
17 ms |
2940 KB |
Output is correct |
13 |
Correct |
52 ms |
7924 KB |
Output is correct |
14 |
Correct |
106 ms |
15212 KB |
Output is correct |
15 |
Correct |
94 ms |
13420 KB |
Output is correct |
16 |
Correct |
87 ms |
12672 KB |
Output is correct |
17 |
Correct |
70 ms |
10476 KB |
Output is correct |
18 |
Correct |
69 ms |
10476 KB |
Output is correct |
19 |
Correct |
28 ms |
4212 KB |
Output is correct |
20 |
Correct |
78 ms |
11060 KB |
Output is correct |
21 |
Correct |
109 ms |
15212 KB |
Output is correct |
22 |
Correct |
90 ms |
13420 KB |
Output is correct |
23 |
Correct |
95 ms |
12780 KB |
Output is correct |
24 |
Correct |
90 ms |
10496 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
512 KB |
Output is correct |
27 |
Correct |
1 ms |
512 KB |
Output is correct |
28 |
Correct |
1 ms |
512 KB |
Output is correct |
29 |
Correct |
1 ms |
512 KB |
Output is correct |
30 |
Correct |
1 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
512 KB |
Output is correct |
32 |
Correct |
41 ms |
4212 KB |
Output is correct |
33 |
Correct |
100 ms |
10996 KB |
Output is correct |
34 |
Correct |
175 ms |
15212 KB |
Output is correct |
35 |
Correct |
157 ms |
12904 KB |
Output is correct |
36 |
Correct |
95 ms |
13420 KB |
Output is correct |
37 |
Correct |
155 ms |
15336 KB |
Output is correct |
38 |
Correct |
97 ms |
11500 KB |
Output is correct |
39 |
Correct |
102 ms |
10992 KB |
Output is correct |
40 |
Correct |
93 ms |
10476 KB |
Output is correct |
41 |
Correct |
96 ms |
10476 KB |
Output is correct |
42 |
Correct |
96 ms |
10476 KB |
Output is correct |
43 |
Correct |
100 ms |
10480 KB |
Output is correct |
44 |
Correct |
117 ms |
15236 KB |
Output is correct |
45 |
Correct |
88 ms |
10732 KB |
Output is correct |
46 |
Correct |
104 ms |
10348 KB |
Output is correct |
47 |
Correct |
2 ms |
384 KB |
Output is correct |