#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define PUB push_back
struct art{
ll sz, val;
};
int N;
ll ans = 0, cnt = 0, pref[500005];
vector<art> data;
bool comp(art a, art b){
if(a.sz == b.sz) return a.val < b.val;
return a.sz < b.sz;
}
ll optimized(){
cnt += data[1].val;
ans = max(cnt, ans);
for(int i=2;i<=N;i++){
cnt += data[i].val-(data[i].sz-data[i-1].sz);
if(cnt <= 0 || cnt < data[i].val){
cnt = data[i].val;
}
ans = max(ans, cnt);
}
}
ll bf(){
cout << "== BF ==" << endl;
for(int i=1;i<=N;i++) pref[i] = pref[i-1]+data[i].val;
for(int i=1;i<=N;i++) for(int j=i;j<=N;j++){
ll tmp = (pref[j]-pref[i-1])-(data[j].sz-data[i].sz);
if(ans < tmp){
cout << i << " " << j << " " << tmp << endl;
ans = tmp;
}
}
}
int main(){
cin >> N;
data.PUB({0,0});
for(int i=1;i<=N;i++){
ll a, b;
cin >> a >> b;
data.PUB({a, b});
}
sort(data.begin(), data.end(), comp);
optimized();
cout << ans << endl;
//bf();
//cout << ans << endl;
}
Compilation message
art.cpp: In function 'll optimized()':
art.cpp:32:1: warning: no return statement in function returning non-void [-Wreturn-type]
}
^
art.cpp: In function 'll bf()':
art.cpp:46:1: warning: no return statement in function returning non-void [-Wreturn-type]
}
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
428 KB |
Output is correct |
| 4 |
Correct |
2 ms |
504 KB |
Output is correct |
| 5 |
Correct |
3 ms |
504 KB |
Output is correct |
| 6 |
Correct |
2 ms |
504 KB |
Output is correct |
| 7 |
Correct |
2 ms |
504 KB |
Output is correct |
| 8 |
Correct |
2 ms |
560 KB |
Output is correct |
| 9 |
Correct |
2 ms |
560 KB |
Output is correct |
| 10 |
Correct |
2 ms |
560 KB |
Output is correct |
| 11 |
Correct |
2 ms |
560 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
428 KB |
Output is correct |
| 4 |
Correct |
2 ms |
504 KB |
Output is correct |
| 5 |
Correct |
3 ms |
504 KB |
Output is correct |
| 6 |
Correct |
2 ms |
504 KB |
Output is correct |
| 7 |
Correct |
2 ms |
504 KB |
Output is correct |
| 8 |
Correct |
2 ms |
560 KB |
Output is correct |
| 9 |
Correct |
2 ms |
560 KB |
Output is correct |
| 10 |
Correct |
2 ms |
560 KB |
Output is correct |
| 11 |
Correct |
2 ms |
560 KB |
Output is correct |
| 12 |
Correct |
3 ms |
620 KB |
Output is correct |
| 13 |
Correct |
3 ms |
620 KB |
Output is correct |
| 14 |
Correct |
3 ms |
620 KB |
Output is correct |
| 15 |
Correct |
3 ms |
620 KB |
Output is correct |
| 16 |
Correct |
3 ms |
620 KB |
Output is correct |
| 17 |
Correct |
2 ms |
620 KB |
Output is correct |
| 18 |
Correct |
2 ms |
620 KB |
Output is correct |
| 19 |
Correct |
2 ms |
748 KB |
Output is correct |
| 20 |
Correct |
3 ms |
748 KB |
Output is correct |
| 21 |
Correct |
3 ms |
748 KB |
Output is correct |
| 22 |
Correct |
3 ms |
748 KB |
Output is correct |
| 23 |
Correct |
3 ms |
748 KB |
Output is correct |
| 24 |
Correct |
3 ms |
748 KB |
Output is correct |
| 25 |
Correct |
2 ms |
748 KB |
Output is correct |
| 26 |
Correct |
2 ms |
748 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
428 KB |
Output is correct |
| 4 |
Correct |
2 ms |
504 KB |
Output is correct |
| 5 |
Correct |
3 ms |
504 KB |
Output is correct |
| 6 |
Correct |
2 ms |
504 KB |
Output is correct |
| 7 |
Correct |
2 ms |
504 KB |
Output is correct |
| 8 |
Correct |
2 ms |
560 KB |
Output is correct |
| 9 |
Correct |
2 ms |
560 KB |
Output is correct |
| 10 |
Correct |
2 ms |
560 KB |
Output is correct |
| 11 |
Correct |
2 ms |
560 KB |
Output is correct |
| 12 |
Correct |
3 ms |
620 KB |
Output is correct |
| 13 |
Correct |
3 ms |
620 KB |
Output is correct |
| 14 |
Correct |
3 ms |
620 KB |
Output is correct |
| 15 |
Correct |
3 ms |
620 KB |
Output is correct |
| 16 |
Correct |
3 ms |
620 KB |
Output is correct |
| 17 |
Correct |
2 ms |
620 KB |
Output is correct |
| 18 |
Correct |
2 ms |
620 KB |
Output is correct |
| 19 |
Correct |
2 ms |
748 KB |
Output is correct |
| 20 |
Correct |
3 ms |
748 KB |
Output is correct |
| 21 |
Correct |
3 ms |
748 KB |
Output is correct |
| 22 |
Correct |
3 ms |
748 KB |
Output is correct |
| 23 |
Correct |
3 ms |
748 KB |
Output is correct |
| 24 |
Correct |
3 ms |
748 KB |
Output is correct |
| 25 |
Correct |
2 ms |
748 KB |
Output is correct |
| 26 |
Correct |
2 ms |
748 KB |
Output is correct |
| 27 |
Correct |
9 ms |
764 KB |
Output is correct |
| 28 |
Correct |
11 ms |
764 KB |
Output is correct |
| 29 |
Correct |
9 ms |
764 KB |
Output is correct |
| 30 |
Correct |
11 ms |
764 KB |
Output is correct |
| 31 |
Correct |
19 ms |
764 KB |
Output is correct |
| 32 |
Correct |
9 ms |
764 KB |
Output is correct |
| 33 |
Correct |
9 ms |
764 KB |
Output is correct |
| 34 |
Correct |
10 ms |
764 KB |
Output is correct |
| 35 |
Correct |
9 ms |
808 KB |
Output is correct |
| 36 |
Correct |
10 ms |
808 KB |
Output is correct |
| 37 |
Correct |
9 ms |
808 KB |
Output is correct |
| 38 |
Correct |
10 ms |
812 KB |
Output is correct |
| 39 |
Correct |
11 ms |
812 KB |
Output is correct |
| 40 |
Correct |
13 ms |
812 KB |
Output is correct |
| 41 |
Correct |
11 ms |
812 KB |
Output is correct |
| 42 |
Correct |
9 ms |
812 KB |
Output is correct |
| 43 |
Correct |
10 ms |
812 KB |
Output is correct |
| 44 |
Correct |
12 ms |
812 KB |
Output is correct |
| 45 |
Correct |
9 ms |
828 KB |
Output is correct |
| 46 |
Correct |
11 ms |
828 KB |
Output is correct |
| 47 |
Correct |
8 ms |
828 KB |
Output is correct |
| 48 |
Correct |
8 ms |
828 KB |
Output is correct |
| 49 |
Correct |
9 ms |
828 KB |
Output is correct |
| 50 |
Correct |
9 ms |
828 KB |
Output is correct |
| 51 |
Correct |
10 ms |
828 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
428 KB |
Output is correct |
| 4 |
Correct |
2 ms |
504 KB |
Output is correct |
| 5 |
Correct |
3 ms |
504 KB |
Output is correct |
| 6 |
Correct |
2 ms |
504 KB |
Output is correct |
| 7 |
Correct |
2 ms |
504 KB |
Output is correct |
| 8 |
Correct |
2 ms |
560 KB |
Output is correct |
| 9 |
Correct |
2 ms |
560 KB |
Output is correct |
| 10 |
Correct |
2 ms |
560 KB |
Output is correct |
| 11 |
Correct |
2 ms |
560 KB |
Output is correct |
| 12 |
Correct |
3 ms |
620 KB |
Output is correct |
| 13 |
Correct |
3 ms |
620 KB |
Output is correct |
| 14 |
Correct |
3 ms |
620 KB |
Output is correct |
| 15 |
Correct |
3 ms |
620 KB |
Output is correct |
| 16 |
Correct |
3 ms |
620 KB |
Output is correct |
| 17 |
Correct |
2 ms |
620 KB |
Output is correct |
| 18 |
Correct |
2 ms |
620 KB |
Output is correct |
| 19 |
Correct |
2 ms |
748 KB |
Output is correct |
| 20 |
Correct |
3 ms |
748 KB |
Output is correct |
| 21 |
Correct |
3 ms |
748 KB |
Output is correct |
| 22 |
Correct |
3 ms |
748 KB |
Output is correct |
| 23 |
Correct |
3 ms |
748 KB |
Output is correct |
| 24 |
Correct |
3 ms |
748 KB |
Output is correct |
| 25 |
Correct |
2 ms |
748 KB |
Output is correct |
| 26 |
Correct |
2 ms |
748 KB |
Output is correct |
| 27 |
Correct |
9 ms |
764 KB |
Output is correct |
| 28 |
Correct |
11 ms |
764 KB |
Output is correct |
| 29 |
Correct |
9 ms |
764 KB |
Output is correct |
| 30 |
Correct |
11 ms |
764 KB |
Output is correct |
| 31 |
Correct |
19 ms |
764 KB |
Output is correct |
| 32 |
Correct |
9 ms |
764 KB |
Output is correct |
| 33 |
Correct |
9 ms |
764 KB |
Output is correct |
| 34 |
Correct |
10 ms |
764 KB |
Output is correct |
| 35 |
Correct |
9 ms |
808 KB |
Output is correct |
| 36 |
Correct |
10 ms |
808 KB |
Output is correct |
| 37 |
Correct |
9 ms |
808 KB |
Output is correct |
| 38 |
Correct |
10 ms |
812 KB |
Output is correct |
| 39 |
Correct |
11 ms |
812 KB |
Output is correct |
| 40 |
Correct |
13 ms |
812 KB |
Output is correct |
| 41 |
Correct |
11 ms |
812 KB |
Output is correct |
| 42 |
Correct |
9 ms |
812 KB |
Output is correct |
| 43 |
Correct |
10 ms |
812 KB |
Output is correct |
| 44 |
Correct |
12 ms |
812 KB |
Output is correct |
| 45 |
Correct |
9 ms |
828 KB |
Output is correct |
| 46 |
Correct |
11 ms |
828 KB |
Output is correct |
| 47 |
Correct |
8 ms |
828 KB |
Output is correct |
| 48 |
Correct |
8 ms |
828 KB |
Output is correct |
| 49 |
Correct |
9 ms |
828 KB |
Output is correct |
| 50 |
Correct |
9 ms |
828 KB |
Output is correct |
| 51 |
Correct |
10 ms |
828 KB |
Output is correct |
| 52 |
Correct |
729 ms |
8928 KB |
Output is correct |
| 53 |
Correct |
787 ms |
8960 KB |
Output is correct |
| 54 |
Correct |
753 ms |
8984 KB |
Output is correct |
| 55 |
Correct |
743 ms |
9104 KB |
Output is correct |
| 56 |
Correct |
745 ms |
9104 KB |
Output is correct |
| 57 |
Correct |
839 ms |
9104 KB |
Output is correct |
| 58 |
Correct |
710 ms |
9104 KB |
Output is correct |
| 59 |
Correct |
723 ms |
9104 KB |
Output is correct |
| 60 |
Correct |
689 ms |
9104 KB |
Output is correct |
| 61 |
Correct |
695 ms |
9104 KB |
Output is correct |
| 62 |
Correct |
888 ms |
9104 KB |
Output is correct |
| 63 |
Correct |
760 ms |
9148 KB |
Output is correct |
| 64 |
Correct |
727 ms |
9148 KB |
Output is correct |
| 65 |
Correct |
735 ms |
9148 KB |
Output is correct |
| 66 |
Correct |
701 ms |
9148 KB |
Output is correct |
| 67 |
Correct |
673 ms |
9148 KB |
Output is correct |
| 68 |
Correct |
673 ms |
9148 KB |
Output is correct |
