#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n;
ll f = 0;
priority_queue<ll> Q; //punkty przegiecia DP
int main() {
cin >> n;
vector<ll> pref(n+1);
for (int i=1; i<=n; i++) {
int a, b;
cin >> a >> b;
pref[i] = a - b + pref[i - 1];
}
for (int i=1; i<n; i++){
if(pref[i] < 0){
f -= pref[i];
pref[i] = 0;
}
f += pref[i];
Q.push(pref[i]);
Q.push(pref[i]);
Q.pop();
}
while (Q.size()) {
ll tmp = Q.top();
Q.pop();
f -= min(tmp, pref[n]);
}
cout << f << "\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
2 ms |
340 KB |
Output is correct |
3 |
Correct |
3 ms |
356 KB |
Output is correct |
4 |
Correct |
27 ms |
1572 KB |
Output is correct |
5 |
Correct |
56 ms |
2864 KB |
Output is correct |
6 |
Correct |
202 ms |
7724 KB |
Output is correct |
7 |
Correct |
341 ms |
15192 KB |
Output is correct |
8 |
Correct |
326 ms |
13236 KB |
Output is correct |
9 |
Correct |
288 ms |
12764 KB |
Output is correct |
10 |
Correct |
207 ms |
10376 KB |
Output is correct |
11 |
Correct |
220 ms |
10380 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
2 ms |
340 KB |
Output is correct |
3 |
Correct |
3 ms |
356 KB |
Output is correct |
4 |
Correct |
27 ms |
1572 KB |
Output is correct |
5 |
Correct |
56 ms |
2864 KB |
Output is correct |
6 |
Correct |
202 ms |
7724 KB |
Output is correct |
7 |
Correct |
341 ms |
15192 KB |
Output is correct |
8 |
Correct |
326 ms |
13236 KB |
Output is correct |
9 |
Correct |
288 ms |
12764 KB |
Output is correct |
10 |
Correct |
207 ms |
10376 KB |
Output is correct |
11 |
Correct |
220 ms |
10380 KB |
Output is correct |
12 |
Correct |
101 ms |
4072 KB |
Output is correct |
13 |
Correct |
266 ms |
10940 KB |
Output is correct |
14 |
Correct |
363 ms |
15184 KB |
Output is correct |
15 |
Correct |
399 ms |
13308 KB |
Output is correct |
16 |
Correct |
340 ms |
12588 KB |
Output is correct |
17 |
Correct |
225 ms |
10456 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
2 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 |
2 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
308 KB |
Output is correct |
7 |
Correct |
2 ms |
340 KB |
Output is correct |
8 |
Correct |
2 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
340 KB |
Output is correct |
10 |
Correct |
2 ms |
308 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
2 ms |
340 KB |
Output is correct |
3 |
Correct |
3 ms |
356 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
2 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
308 KB |
Output is correct |
7 |
Correct |
2 ms |
340 KB |
Output is correct |
8 |
Correct |
2 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
340 KB |
Output is correct |
10 |
Correct |
2 ms |
308 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
3 ms |
340 KB |
Output is correct |
13 |
Correct |
3 ms |
364 KB |
Output is correct |
14 |
Correct |
12 ms |
312 KB |
Output is correct |
15 |
Correct |
3 ms |
340 KB |
Output is correct |
16 |
Correct |
3 ms |
340 KB |
Output is correct |
17 |
Correct |
2 ms |
316 KB |
Output is correct |
18 |
Correct |
4 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
2 ms |
340 KB |
Output is correct |
3 |
Correct |
3 ms |
356 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
2 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
308 KB |
Output is correct |
7 |
Correct |
2 ms |
340 KB |
Output is correct |
8 |
Correct |
2 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
340 KB |
Output is correct |
10 |
Correct |
2 ms |
308 KB |
Output is correct |
11 |
Correct |
27 ms |
1572 KB |
Output is correct |
12 |
Correct |
56 ms |
2864 KB |
Output is correct |
13 |
Correct |
202 ms |
7724 KB |
Output is correct |
14 |
Correct |
341 ms |
15192 KB |
Output is correct |
15 |
Correct |
326 ms |
13236 KB |
Output is correct |
16 |
Correct |
288 ms |
12764 KB |
Output is correct |
17 |
Correct |
207 ms |
10376 KB |
Output is correct |
18 |
Correct |
220 ms |
10380 KB |
Output is correct |
19 |
Correct |
101 ms |
4072 KB |
Output is correct |
20 |
Correct |
266 ms |
10940 KB |
Output is correct |
21 |
Correct |
363 ms |
15184 KB |
Output is correct |
22 |
Correct |
399 ms |
13308 KB |
Output is correct |
23 |
Correct |
340 ms |
12588 KB |
Output is correct |
24 |
Correct |
225 ms |
10456 KB |
Output is correct |
25 |
Correct |
3 ms |
340 KB |
Output is correct |
26 |
Correct |
3 ms |
364 KB |
Output is correct |
27 |
Correct |
12 ms |
312 KB |
Output is correct |
28 |
Correct |
3 ms |
340 KB |
Output is correct |
29 |
Correct |
3 ms |
340 KB |
Output is correct |
30 |
Correct |
2 ms |
316 KB |
Output is correct |
31 |
Correct |
4 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
93 ms |
4064 KB |
Output is correct |
34 |
Correct |
256 ms |
10920 KB |
Output is correct |
35 |
Correct |
422 ms |
15192 KB |
Output is correct |
36 |
Correct |
381 ms |
12900 KB |
Output is correct |
37 |
Correct |
362 ms |
13244 KB |
Output is correct |
38 |
Correct |
403 ms |
15188 KB |
Output is correct |
39 |
Correct |
250 ms |
11324 KB |
Output is correct |
40 |
Correct |
298 ms |
10848 KB |
Output is correct |
41 |
Correct |
219 ms |
10336 KB |
Output is correct |
42 |
Correct |
229 ms |
10372 KB |
Output is correct |
43 |
Correct |
210 ms |
10328 KB |
Output is correct |
44 |
Correct |
272 ms |
10336 KB |
Output is correct |
45 |
Correct |
383 ms |
15164 KB |
Output is correct |
46 |
Correct |
251 ms |
10716 KB |
Output is correct |
47 |
Correct |
233 ms |
10228 KB |
Output is correct |