#include <bits/stdc++.h>
using namespace std;
// macros
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define FOR(a,b) for(auto& a : b)
#define all(a) a.begin(), a.end()
#define INF 1e18
#define EPS 1e-9
#define pb push_back
#define popb pop_back
#define fi first
#define se second
#define sz size()
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
// input
template<class T> void IN(T& x) {cin >> x;}
template<class H, class... T> void IN(H& h, T&... t) {IN(h); IN(t...); }
// output
template<class T1, class T2> void OUT(const pair<T1,T2>& x);
template<class T> void OUT(const vector<T>& x);
template<class T> void OUT(const T& x) {cout << x;}
template<class H, class... T> void OUT(const H& h, const T&... t) {OUT(h); OUT(t...); }
template<class T1, class T2> void OUT(const pair<T1,T2>& x) {OUT(x.fi,' ',x.se);}
template<class T> void OUT(const vector<T>& x) {RE(i,x.size()) OUT(i==0?"":" ",x[i]);}
template<class... T> void OUTL(const T&... t) {OUT(t..., "\n"); }
template<class H> void OUTLS(const H& h) {OUTL(h); }
template<class H, class... T> void OUTLS(const H& h, const T&... t) {OUT(h,' '); OUTLS(t...); }
//===================//
// Added libraries //
//===================//
//===================//
//end added libraries//
//===================//
void program();
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
program();
}
//===================//
// begin program //
//===================//
const int MX = 5e5+2;
ll n;
ll a[MX], b[MX], dif[MX], d[MX];
void program() {
IN(n);
RE(i,n) IN(a[i],b[i]);
RE(i,n) dif[i] = a[i]-b[i];
d[0]=0;
RE(i,n) d[i+1] = d[i] + dif[i];
ll ans = 0;
priority_queue<ll> pq;
RE(i,n) {
if(d[i] < 0) ans -= d[i], d[i] = 0;
ans += d[i];
pq.push(d[i]);
pq.push(d[i]);
pq.pop();
}
while(!pq.empty()) {
ans -= min(pq.top(), d[n]); pq.pop();
}
OUTL(ans);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
512 KB |
Output is correct |
3 |
Correct |
1 ms |
512 KB |
Output is correct |
4 |
Correct |
16 ms |
2560 KB |
Output is correct |
5 |
Correct |
36 ms |
4724 KB |
Output is correct |
6 |
Correct |
110 ms |
10352 KB |
Output is correct |
7 |
Correct |
167 ms |
20332 KB |
Output is correct |
8 |
Correct |
196 ms |
20204 KB |
Output is correct |
9 |
Correct |
165 ms |
20200 KB |
Output is correct |
10 |
Correct |
135 ms |
20328 KB |
Output is correct |
11 |
Correct |
140 ms |
20184 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
512 KB |
Output is correct |
3 |
Correct |
1 ms |
512 KB |
Output is correct |
4 |
Correct |
16 ms |
2560 KB |
Output is correct |
5 |
Correct |
36 ms |
4724 KB |
Output is correct |
6 |
Correct |
110 ms |
10352 KB |
Output is correct |
7 |
Correct |
167 ms |
20332 KB |
Output is correct |
8 |
Correct |
196 ms |
20204 KB |
Output is correct |
9 |
Correct |
165 ms |
20200 KB |
Output is correct |
10 |
Correct |
135 ms |
20328 KB |
Output is correct |
11 |
Correct |
140 ms |
20184 KB |
Output is correct |
12 |
Correct |
51 ms |
5492 KB |
Output is correct |
13 |
Correct |
129 ms |
14060 KB |
Output is correct |
14 |
Correct |
169 ms |
20208 KB |
Output is correct |
15 |
Correct |
203 ms |
20204 KB |
Output is correct |
16 |
Correct |
207 ms |
20316 KB |
Output is correct |
17 |
Correct |
141 ms |
20200 KB |
Output is correct |
18 |
Correct |
2 ms |
512 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
512 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 |
544 KB |
Output is correct |
7 |
Correct |
2 ms |
512 KB |
Output is correct |
8 |
Correct |
1 ms |
512 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
2 ms |
512 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
512 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 |
544 KB |
Output is correct |
8 |
Correct |
2 ms |
512 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
1 ms |
512 KB |
Output is correct |
11 |
Correct |
1 ms |
512 KB |
Output is correct |
12 |
Correct |
2 ms |
512 KB |
Output is correct |
13 |
Correct |
2 ms |
512 KB |
Output is correct |
14 |
Correct |
2 ms |
512 KB |
Output is correct |
15 |
Correct |
2 ms |
512 KB |
Output is correct |
16 |
Correct |
1 ms |
512 KB |
Output is correct |
17 |
Correct |
1 ms |
512 KB |
Output is correct |
18 |
Correct |
2 ms |
512 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
512 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 |
544 KB |
Output is correct |
8 |
Correct |
2 ms |
512 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
1 ms |
512 KB |
Output is correct |
11 |
Correct |
16 ms |
2560 KB |
Output is correct |
12 |
Correct |
36 ms |
4724 KB |
Output is correct |
13 |
Correct |
110 ms |
10352 KB |
Output is correct |
14 |
Correct |
167 ms |
20332 KB |
Output is correct |
15 |
Correct |
196 ms |
20204 KB |
Output is correct |
16 |
Correct |
165 ms |
20200 KB |
Output is correct |
17 |
Correct |
135 ms |
20328 KB |
Output is correct |
18 |
Correct |
140 ms |
20184 KB |
Output is correct |
19 |
Correct |
51 ms |
5492 KB |
Output is correct |
20 |
Correct |
129 ms |
14060 KB |
Output is correct |
21 |
Correct |
169 ms |
20208 KB |
Output is correct |
22 |
Correct |
203 ms |
20204 KB |
Output is correct |
23 |
Correct |
207 ms |
20316 KB |
Output is correct |
24 |
Correct |
141 ms |
20200 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
2 ms |
512 KB |
Output is correct |
27 |
Correct |
2 ms |
512 KB |
Output is correct |
28 |
Correct |
2 ms |
512 KB |
Output is correct |
29 |
Correct |
2 ms |
512 KB |
Output is correct |
30 |
Correct |
1 ms |
512 KB |
Output is correct |
31 |
Correct |
1 ms |
512 KB |
Output is correct |
32 |
Correct |
54 ms |
7156 KB |
Output is correct |
33 |
Correct |
132 ms |
18024 KB |
Output is correct |
34 |
Correct |
231 ms |
26988 KB |
Output is correct |
35 |
Correct |
229 ms |
24720 KB |
Output is correct |
36 |
Correct |
197 ms |
25196 KB |
Output is correct |
37 |
Correct |
226 ms |
26988 KB |
Output is correct |
38 |
Correct |
163 ms |
23148 KB |
Output is correct |
39 |
Correct |
169 ms |
21608 KB |
Output is correct |
40 |
Correct |
136 ms |
22256 KB |
Output is correct |
41 |
Correct |
137 ms |
22252 KB |
Output is correct |
42 |
Correct |
139 ms |
22252 KB |
Output is correct |
43 |
Correct |
137 ms |
22252 KB |
Output is correct |
44 |
Correct |
217 ms |
26984 KB |
Output is correct |
45 |
Correct |
174 ms |
22636 KB |
Output is correct |
46 |
Correct |
151 ms |
19560 KB |
Output is correct |
47 |
Correct |
2 ms |
512 KB |
Output is correct |