| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 389735 |
2021-04-14T12:24:08 Z |
cgiosy |
Cake 3 (JOI19_cake3) |
C++17 |
|
1029 ms |
151236 KB |
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
struct cake {
int v, x;
bool operator<(cake b) const { return x<b.x; }
};
struct node {
ll v; int c, l, r;
};
int main() {
ios::sync_with_stdio(0);cin.tie(0);
int N, M;
cin>>N>>M;
cake A[N];
for(auto&[v,x]:A) cin>>v>>x;
sort(A, A+N);
node T[6200100]{};
int t=N;
for(int i=0; i<N; i++) {
int x=A[i].v, p=i, q=i+1, s=1, e=1e9;
while(s<e) {
int m=s+e>>1;
T[q].l=T[p].l, T[q].r=T[p].r;
if(x<=m) T[q].v=T[p].v, T[q].c=T[p].c, e=m, p=T[p].l, q=T[q].l=++t;
else T[q].v=T[p].v+x, T[q].c=T[p].c+1, s=m+1, p=T[p].r, q=T[q].r=++t;
}
}
auto qry=[&](int l, int r) {
int s=1, e=1e9, n=M;
ll v=0;
while(s<e) {
int m=s+e>>1, c=T[r].c-T[l].c;
if(n<=c) s=m+1, l=T[l].r, r=T[r].r;
else v+=T[r].v-T[l].v, n-=c, e=m, l=T[l].l, r=T[r].l;
}
return v+ll(e)*n;
};
auto f=[&](int l, int r) {
return qry(l, r)-2*(A[r-1].x-A[l].x);
};
ll ans=-1e18;
function<void(int, int, int, int)> dnc=[&](int l, int r, int s, int e) {
if(l>r || e-l<M) return;
int m=l+r>>1, n=e;
ll p=-1e18;
for(int i=e; i>=max(s, m+M); i--) if(auto q=f(m, i); p<q) p=q, n=i;
ans=max(ans, p);
dnc(l, m-1, s, n), dnc(m+1, r, n, e);
};
dnc(0, N-1, M, N);
cout<<ans<<'\n';
}
Compilation message
cake3.cpp: In function 'int main()':
cake3.cpp:25:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
25 | int m=s+e>>1;
| ~^~
cake3.cpp: In lambda function:
cake3.cpp:36:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
36 | int m=s+e>>1, c=T[r].c-T[l].c;
| ~^~
cake3.cpp: In lambda function:
cake3.cpp:49:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
49 | int m=l+r>>1, n=e;
| ~^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
70 ms |
145768 KB |
Output is correct |
| 2 |
Correct |
72 ms |
145792 KB |
Output is correct |
| 3 |
Correct |
70 ms |
145864 KB |
Output is correct |
| 4 |
Correct |
68 ms |
145768 KB |
Output is correct |
| 5 |
Correct |
69 ms |
145860 KB |
Output is correct |
| 6 |
Correct |
70 ms |
145824 KB |
Output is correct |
| 7 |
Correct |
70 ms |
145820 KB |
Output is correct |
| 8 |
Correct |
69 ms |
145848 KB |
Output is correct |
| 9 |
Correct |
70 ms |
145820 KB |
Output is correct |
| 10 |
Correct |
69 ms |
145924 KB |
Output is correct |
| 11 |
Correct |
69 ms |
145780 KB |
Output is correct |
| 12 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 13 |
Correct |
69 ms |
145840 KB |
Output is correct |
| 14 |
Correct |
69 ms |
145776 KB |
Output is correct |
| 15 |
Correct |
69 ms |
145860 KB |
Output is correct |
| 16 |
Correct |
70 ms |
145808 KB |
Output is correct |
| 17 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 18 |
Correct |
71 ms |
145868 KB |
Output is correct |
| 19 |
Correct |
70 ms |
145776 KB |
Output is correct |
| 20 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 21 |
Correct |
69 ms |
145928 KB |
Output is correct |
| 22 |
Correct |
69 ms |
145800 KB |
Output is correct |
| 23 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 24 |
Correct |
70 ms |
145848 KB |
Output is correct |
| 25 |
Correct |
67 ms |
145856 KB |
Output is correct |
| 26 |
Correct |
70 ms |
145848 KB |
Output is correct |
| 27 |
Correct |
70 ms |
145840 KB |
Output is correct |
| 28 |
Correct |
70 ms |
145808 KB |
Output is correct |
| 29 |
Correct |
69 ms |
145860 KB |
Output is correct |
| 30 |
Correct |
69 ms |
145860 KB |
Output is correct |
| 31 |
Correct |
70 ms |
145872 KB |
Output is correct |
| 32 |
Correct |
69 ms |
145872 KB |
Output is correct |
| 33 |
Correct |
71 ms |
145820 KB |
Output is correct |
| 34 |
Correct |
70 ms |
145888 KB |
Output is correct |
| 35 |
Correct |
70 ms |
145856 KB |
Output is correct |
| 36 |
Correct |
68 ms |
145852 KB |
Output is correct |
| 37 |
Correct |
71 ms |
145856 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
70 ms |
145768 KB |
Output is correct |
| 2 |
Correct |
72 ms |
145792 KB |
Output is correct |
| 3 |
Correct |
70 ms |
145864 KB |
Output is correct |
| 4 |
Correct |
68 ms |
145768 KB |
Output is correct |
| 5 |
Correct |
69 ms |
145860 KB |
Output is correct |
| 6 |
Correct |
70 ms |
145824 KB |
Output is correct |
| 7 |
Correct |
70 ms |
145820 KB |
Output is correct |
| 8 |
Correct |
69 ms |
145848 KB |
Output is correct |
| 9 |
Correct |
70 ms |
145820 KB |
Output is correct |
| 10 |
Correct |
69 ms |
145924 KB |
Output is correct |
| 11 |
Correct |
69 ms |
145780 KB |
Output is correct |
| 12 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 13 |
Correct |
69 ms |
145840 KB |
Output is correct |
| 14 |
Correct |
69 ms |
145776 KB |
Output is correct |
| 15 |
Correct |
69 ms |
145860 KB |
Output is correct |
| 16 |
Correct |
70 ms |
145808 KB |
Output is correct |
| 17 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 18 |
Correct |
71 ms |
145868 KB |
Output is correct |
| 19 |
Correct |
70 ms |
145776 KB |
Output is correct |
| 20 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 21 |
Correct |
69 ms |
145928 KB |
Output is correct |
| 22 |
Correct |
69 ms |
145800 KB |
Output is correct |
| 23 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 24 |
Correct |
70 ms |
145848 KB |
Output is correct |
| 25 |
Correct |
67 ms |
145856 KB |
Output is correct |
| 26 |
Correct |
70 ms |
145848 KB |
Output is correct |
| 27 |
Correct |
70 ms |
145840 KB |
Output is correct |
| 28 |
Correct |
70 ms |
145808 KB |
Output is correct |
| 29 |
Correct |
69 ms |
145860 KB |
Output is correct |
| 30 |
Correct |
69 ms |
145860 KB |
Output is correct |
| 31 |
Correct |
70 ms |
145872 KB |
Output is correct |
| 32 |
Correct |
69 ms |
145872 KB |
Output is correct |
| 33 |
Correct |
71 ms |
145820 KB |
Output is correct |
| 34 |
Correct |
70 ms |
145888 KB |
Output is correct |
| 35 |
Correct |
70 ms |
145856 KB |
Output is correct |
| 36 |
Correct |
68 ms |
145852 KB |
Output is correct |
| 37 |
Correct |
71 ms |
145856 KB |
Output is correct |
| 38 |
Correct |
72 ms |
145872 KB |
Output is correct |
| 39 |
Correct |
73 ms |
146008 KB |
Output is correct |
| 40 |
Correct |
71 ms |
145916 KB |
Output is correct |
| 41 |
Correct |
72 ms |
145860 KB |
Output is correct |
| 42 |
Correct |
72 ms |
145900 KB |
Output is correct |
| 43 |
Correct |
71 ms |
145920 KB |
Output is correct |
| 44 |
Correct |
72 ms |
145820 KB |
Output is correct |
| 45 |
Correct |
73 ms |
145860 KB |
Output is correct |
| 46 |
Correct |
72 ms |
145856 KB |
Output is correct |
| 47 |
Correct |
73 ms |
145872 KB |
Output is correct |
| 48 |
Correct |
72 ms |
145860 KB |
Output is correct |
| 49 |
Correct |
71 ms |
145916 KB |
Output is correct |
| 50 |
Correct |
73 ms |
145848 KB |
Output is correct |
| 51 |
Correct |
72 ms |
145916 KB |
Output is correct |
| 52 |
Correct |
71 ms |
145860 KB |
Output is correct |
| 53 |
Correct |
71 ms |
145888 KB |
Output is correct |
| 54 |
Correct |
73 ms |
145860 KB |
Output is correct |
| 55 |
Correct |
71 ms |
145868 KB |
Output is correct |
| 56 |
Correct |
72 ms |
145860 KB |
Output is correct |
| 57 |
Correct |
71 ms |
145884 KB |
Output is correct |
| 58 |
Correct |
71 ms |
145820 KB |
Output is correct |
| 59 |
Correct |
71 ms |
145860 KB |
Output is correct |
| 60 |
Correct |
71 ms |
145832 KB |
Output is correct |
| 61 |
Correct |
72 ms |
145868 KB |
Output is correct |
| 62 |
Correct |
70 ms |
145904 KB |
Output is correct |
| 63 |
Correct |
71 ms |
145860 KB |
Output is correct |
| 64 |
Correct |
72 ms |
145844 KB |
Output is correct |
| 65 |
Correct |
74 ms |
145852 KB |
Output is correct |
| 66 |
Correct |
73 ms |
145848 KB |
Output is correct |
| 67 |
Correct |
73 ms |
145912 KB |
Output is correct |
| 68 |
Correct |
73 ms |
145948 KB |
Output is correct |
| 69 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 70 |
Correct |
71 ms |
145864 KB |
Output is correct |
| 71 |
Correct |
72 ms |
145860 KB |
Output is correct |
| 72 |
Correct |
72 ms |
145860 KB |
Output is correct |
| 73 |
Correct |
74 ms |
145880 KB |
Output is correct |
| 74 |
Correct |
72 ms |
145856 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
70 ms |
145768 KB |
Output is correct |
| 2 |
Correct |
72 ms |
145792 KB |
Output is correct |
| 3 |
Correct |
70 ms |
145864 KB |
Output is correct |
| 4 |
Correct |
68 ms |
145768 KB |
Output is correct |
| 5 |
Correct |
69 ms |
145860 KB |
Output is correct |
| 6 |
Correct |
70 ms |
145824 KB |
Output is correct |
| 7 |
Correct |
70 ms |
145820 KB |
Output is correct |
| 8 |
Correct |
69 ms |
145848 KB |
Output is correct |
| 9 |
Correct |
70 ms |
145820 KB |
Output is correct |
| 10 |
Correct |
69 ms |
145924 KB |
Output is correct |
| 11 |
Correct |
69 ms |
145780 KB |
Output is correct |
| 12 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 13 |
Correct |
69 ms |
145840 KB |
Output is correct |
| 14 |
Correct |
69 ms |
145776 KB |
Output is correct |
| 15 |
Correct |
69 ms |
145860 KB |
Output is correct |
| 16 |
Correct |
70 ms |
145808 KB |
Output is correct |
| 17 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 18 |
Correct |
71 ms |
145868 KB |
Output is correct |
| 19 |
Correct |
70 ms |
145776 KB |
Output is correct |
| 20 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 21 |
Correct |
69 ms |
145928 KB |
Output is correct |
| 22 |
Correct |
69 ms |
145800 KB |
Output is correct |
| 23 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 24 |
Correct |
70 ms |
145848 KB |
Output is correct |
| 25 |
Correct |
67 ms |
145856 KB |
Output is correct |
| 26 |
Correct |
70 ms |
145848 KB |
Output is correct |
| 27 |
Correct |
70 ms |
145840 KB |
Output is correct |
| 28 |
Correct |
70 ms |
145808 KB |
Output is correct |
| 29 |
Correct |
69 ms |
145860 KB |
Output is correct |
| 30 |
Correct |
69 ms |
145860 KB |
Output is correct |
| 31 |
Correct |
70 ms |
145872 KB |
Output is correct |
| 32 |
Correct |
69 ms |
145872 KB |
Output is correct |
| 33 |
Correct |
71 ms |
145820 KB |
Output is correct |
| 34 |
Correct |
70 ms |
145888 KB |
Output is correct |
| 35 |
Correct |
70 ms |
145856 KB |
Output is correct |
| 36 |
Correct |
68 ms |
145852 KB |
Output is correct |
| 37 |
Correct |
71 ms |
145856 KB |
Output is correct |
| 38 |
Correct |
72 ms |
145872 KB |
Output is correct |
| 39 |
Correct |
73 ms |
146008 KB |
Output is correct |
| 40 |
Correct |
71 ms |
145916 KB |
Output is correct |
| 41 |
Correct |
72 ms |
145860 KB |
Output is correct |
| 42 |
Correct |
72 ms |
145900 KB |
Output is correct |
| 43 |
Correct |
71 ms |
145920 KB |
Output is correct |
| 44 |
Correct |
72 ms |
145820 KB |
Output is correct |
| 45 |
Correct |
73 ms |
145860 KB |
Output is correct |
| 46 |
Correct |
72 ms |
145856 KB |
Output is correct |
| 47 |
Correct |
73 ms |
145872 KB |
Output is correct |
| 48 |
Correct |
72 ms |
145860 KB |
Output is correct |
| 49 |
Correct |
71 ms |
145916 KB |
Output is correct |
| 50 |
Correct |
73 ms |
145848 KB |
Output is correct |
| 51 |
Correct |
72 ms |
145916 KB |
Output is correct |
| 52 |
Correct |
71 ms |
145860 KB |
Output is correct |
| 53 |
Correct |
71 ms |
145888 KB |
Output is correct |
| 54 |
Correct |
73 ms |
145860 KB |
Output is correct |
| 55 |
Correct |
71 ms |
145868 KB |
Output is correct |
| 56 |
Correct |
72 ms |
145860 KB |
Output is correct |
| 57 |
Correct |
71 ms |
145884 KB |
Output is correct |
| 58 |
Correct |
71 ms |
145820 KB |
Output is correct |
| 59 |
Correct |
71 ms |
145860 KB |
Output is correct |
| 60 |
Correct |
71 ms |
145832 KB |
Output is correct |
| 61 |
Correct |
72 ms |
145868 KB |
Output is correct |
| 62 |
Correct |
70 ms |
145904 KB |
Output is correct |
| 63 |
Correct |
71 ms |
145860 KB |
Output is correct |
| 64 |
Correct |
72 ms |
145844 KB |
Output is correct |
| 65 |
Correct |
74 ms |
145852 KB |
Output is correct |
| 66 |
Correct |
73 ms |
145848 KB |
Output is correct |
| 67 |
Correct |
73 ms |
145912 KB |
Output is correct |
| 68 |
Correct |
73 ms |
145948 KB |
Output is correct |
| 69 |
Correct |
70 ms |
145860 KB |
Output is correct |
| 70 |
Correct |
71 ms |
145864 KB |
Output is correct |
| 71 |
Correct |
72 ms |
145860 KB |
Output is correct |
| 72 |
Correct |
72 ms |
145860 KB |
Output is correct |
| 73 |
Correct |
74 ms |
145880 KB |
Output is correct |
| 74 |
Correct |
72 ms |
145856 KB |
Output is correct |
| 75 |
Correct |
985 ms |
150944 KB |
Output is correct |
| 76 |
Correct |
1029 ms |
150968 KB |
Output is correct |
| 77 |
Correct |
867 ms |
150980 KB |
Output is correct |
| 78 |
Correct |
933 ms |
151036 KB |
Output is correct |
| 79 |
Correct |
232 ms |
151004 KB |
Output is correct |
| 80 |
Correct |
302 ms |
150888 KB |
Output is correct |
| 81 |
Correct |
609 ms |
150340 KB |
Output is correct |
| 82 |
Correct |
836 ms |
150244 KB |
Output is correct |
| 83 |
Correct |
738 ms |
150432 KB |
Output is correct |
| 84 |
Correct |
761 ms |
150616 KB |
Output is correct |
| 85 |
Correct |
631 ms |
150340 KB |
Output is correct |
| 86 |
Correct |
370 ms |
150084 KB |
Output is correct |
| 87 |
Correct |
387 ms |
149956 KB |
Output is correct |
| 88 |
Correct |
552 ms |
150212 KB |
Output is correct |
| 89 |
Correct |
519 ms |
150340 KB |
Output is correct |
| 90 |
Correct |
389 ms |
150480 KB |
Output is correct |
| 91 |
Correct |
289 ms |
150056 KB |
Output is correct |
| 92 |
Correct |
289 ms |
150040 KB |
Output is correct |
| 93 |
Correct |
326 ms |
150088 KB |
Output is correct |
| 94 |
Correct |
257 ms |
150372 KB |
Output is correct |
| 95 |
Correct |
367 ms |
150328 KB |
Output is correct |
| 96 |
Correct |
472 ms |
149952 KB |
Output is correct |
| 97 |
Correct |
553 ms |
150376 KB |
Output is correct |
| 98 |
Correct |
517 ms |
150212 KB |
Output is correct |
| 99 |
Correct |
496 ms |
150316 KB |
Output is correct |
| 100 |
Correct |
407 ms |
149956 KB |
Output is correct |
| 101 |
Correct |
440 ms |
150068 KB |
Output is correct |
| 102 |
Correct |
799 ms |
149956 KB |
Output is correct |
| 103 |
Correct |
828 ms |
150020 KB |
Output is correct |
| 104 |
Correct |
949 ms |
150240 KB |
Output is correct |
| 105 |
Correct |
676 ms |
150240 KB |
Output is correct |
| 106 |
Correct |
710 ms |
150340 KB |
Output is correct |
| 107 |
Correct |
504 ms |
150064 KB |
Output is correct |
| 108 |
Correct |
992 ms |
150860 KB |
Output is correct |
| 109 |
Correct |
795 ms |
151236 KB |
Output is correct |
| 110 |
Correct |
325 ms |
149512 KB |
Output is correct |
| 111 |
Correct |
440 ms |
149700 KB |
Output is correct |
| 112 |
Correct |
939 ms |
149396 KB |
Output is correct |
| 113 |
Correct |
231 ms |
151236 KB |
Output is correct |
