#include "boxes.h"
#include "bits/stdc++.h"
using namespace std;
const long long MXN = 10000005;
long long n, k, l, pos[MXN], rpos[MXN];
long long dpleft[MXN];
long long dpright[MXN];
long long delivery(int N, int K, int L, int p[]) {
for (int i=0; i<MXN; i++) {
dpleft[i] = -1;
dpright[i] = -1;
}
n = N;
k = K;
l = L;
for (int i=0; i<n; i++) {
pos[i] = p[i];
rpos[i] = L - p[i];
}
long long best = LLONG_MAX;
for (int i=0; i<n; i++) {
dpleft[i] = pos[i] * 2;
if (i - k >= 0) dpleft[i] += dpleft[i-k];
}
for (int i=n-1; i>=0; i--) {
dpright[i] = rpos[i] * 2;
if (i + k < n) dpright[i] += dpright[i+k];
}
// for (int i=0; i<n; i++) cout << dpleft[i] << ' '; cout << endl;
// for (int i=0; i<n; i++) cout << dpright[i] << ' '; cout << endl;
best = min(best, dpleft[n-1]);
best = min(best, dpright[0]);
for (int i=0; i<n-1; i++) {
best = min(best, dpleft[i] + dpright[i+1]);
}
for (int i=0; i<n-1; i++) {
// skip i..i+k-1 using the circle
long long unt = l;
if (i >= 1) unt += dpleft[i-1];
if (i + k < n) unt += dpright[i+k];
best = min(best, unt);
}
return best;
}
Compilation message
boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:27:14: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
for (int i=n-1; i>=0; i--) {
~^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
77 ms |
156920 KB |
Output is correct |
| 2 |
Correct |
80 ms |
156920 KB |
Output is correct |
| 3 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 4 |
Correct |
75 ms |
156868 KB |
Output is correct |
| 5 |
Correct |
84 ms |
156960 KB |
Output is correct |
| 6 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 7 |
Correct |
91 ms |
156920 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 2 |
Correct |
91 ms |
157048 KB |
Output is correct |
| 3 |
Correct |
90 ms |
157040 KB |
Output is correct |
| 4 |
Correct |
83 ms |
156920 KB |
Output is correct |
| 5 |
Correct |
86 ms |
156920 KB |
Output is correct |
| 6 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 7 |
Correct |
81 ms |
156920 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
80 ms |
156920 KB |
Output is correct |
| 2 |
Correct |
80 ms |
156900 KB |
Output is correct |
| 3 |
Correct |
102 ms |
156920 KB |
Output is correct |
| 4 |
Correct |
75 ms |
156920 KB |
Output is correct |
| 5 |
Correct |
81 ms |
156920 KB |
Output is correct |
| 6 |
Correct |
82 ms |
156980 KB |
Output is correct |
| 7 |
Correct |
88 ms |
156896 KB |
Output is correct |
| 8 |
Correct |
76 ms |
156920 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
77 ms |
156920 KB |
Output is correct |
| 2 |
Correct |
80 ms |
156920 KB |
Output is correct |
| 3 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 4 |
Correct |
75 ms |
156868 KB |
Output is correct |
| 5 |
Correct |
84 ms |
156960 KB |
Output is correct |
| 6 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 7 |
Correct |
91 ms |
156920 KB |
Output is correct |
| 8 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 9 |
Correct |
91 ms |
157048 KB |
Output is correct |
| 10 |
Correct |
90 ms |
157040 KB |
Output is correct |
| 11 |
Correct |
83 ms |
156920 KB |
Output is correct |
| 12 |
Correct |
86 ms |
156920 KB |
Output is correct |
| 13 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 14 |
Correct |
81 ms |
156920 KB |
Output is correct |
| 15 |
Correct |
80 ms |
156920 KB |
Output is correct |
| 16 |
Correct |
80 ms |
156900 KB |
Output is correct |
| 17 |
Correct |
102 ms |
156920 KB |
Output is correct |
| 18 |
Correct |
75 ms |
156920 KB |
Output is correct |
| 19 |
Correct |
81 ms |
156920 KB |
Output is correct |
| 20 |
Correct |
82 ms |
156980 KB |
Output is correct |
| 21 |
Correct |
88 ms |
156896 KB |
Output is correct |
| 22 |
Correct |
76 ms |
156920 KB |
Output is correct |
| 23 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 24 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 25 |
Correct |
77 ms |
156896 KB |
Output is correct |
| 26 |
Correct |
89 ms |
156920 KB |
Output is correct |
| 27 |
Correct |
77 ms |
156920 KB |
Output is correct |
| 28 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 29 |
Correct |
82 ms |
156920 KB |
Output is correct |
| 30 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 31 |
Correct |
81 ms |
156920 KB |
Output is correct |
| 32 |
Correct |
80 ms |
156864 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
77 ms |
156920 KB |
Output is correct |
| 2 |
Correct |
80 ms |
156920 KB |
Output is correct |
| 3 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 4 |
Correct |
75 ms |
156868 KB |
Output is correct |
| 5 |
Correct |
84 ms |
156960 KB |
Output is correct |
| 6 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 7 |
Correct |
91 ms |
156920 KB |
Output is correct |
| 8 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 9 |
Correct |
91 ms |
157048 KB |
Output is correct |
| 10 |
Correct |
90 ms |
157040 KB |
Output is correct |
| 11 |
Correct |
83 ms |
156920 KB |
Output is correct |
| 12 |
Correct |
86 ms |
156920 KB |
Output is correct |
| 13 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 14 |
Correct |
81 ms |
156920 KB |
Output is correct |
| 15 |
Correct |
80 ms |
156920 KB |
Output is correct |
| 16 |
Correct |
80 ms |
156900 KB |
Output is correct |
| 17 |
Correct |
102 ms |
156920 KB |
Output is correct |
| 18 |
Correct |
75 ms |
156920 KB |
Output is correct |
| 19 |
Correct |
81 ms |
156920 KB |
Output is correct |
| 20 |
Correct |
82 ms |
156980 KB |
Output is correct |
| 21 |
Correct |
88 ms |
156896 KB |
Output is correct |
| 22 |
Correct |
76 ms |
156920 KB |
Output is correct |
| 23 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 24 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 25 |
Correct |
77 ms |
156896 KB |
Output is correct |
| 26 |
Correct |
89 ms |
156920 KB |
Output is correct |
| 27 |
Correct |
77 ms |
156920 KB |
Output is correct |
| 28 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 29 |
Correct |
82 ms |
156920 KB |
Output is correct |
| 30 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 31 |
Correct |
81 ms |
156920 KB |
Output is correct |
| 32 |
Correct |
80 ms |
156864 KB |
Output is correct |
| 33 |
Correct |
134 ms |
176760 KB |
Output is correct |
| 34 |
Correct |
115 ms |
177008 KB |
Output is correct |
| 35 |
Correct |
102 ms |
177028 KB |
Output is correct |
| 36 |
Correct |
133 ms |
177016 KB |
Output is correct |
| 37 |
Correct |
136 ms |
176888 KB |
Output is correct |
| 38 |
Correct |
143 ms |
176752 KB |
Output is correct |
| 39 |
Correct |
129 ms |
176636 KB |
Output is correct |
| 40 |
Correct |
108 ms |
176632 KB |
Output is correct |
| 41 |
Correct |
134 ms |
176632 KB |
Output is correct |
| 42 |
Correct |
110 ms |
176632 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
77 ms |
156920 KB |
Output is correct |
| 2 |
Correct |
80 ms |
156920 KB |
Output is correct |
| 3 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 4 |
Correct |
75 ms |
156868 KB |
Output is correct |
| 5 |
Correct |
84 ms |
156960 KB |
Output is correct |
| 6 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 7 |
Correct |
91 ms |
156920 KB |
Output is correct |
| 8 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 9 |
Correct |
91 ms |
157048 KB |
Output is correct |
| 10 |
Correct |
90 ms |
157040 KB |
Output is correct |
| 11 |
Correct |
83 ms |
156920 KB |
Output is correct |
| 12 |
Correct |
86 ms |
156920 KB |
Output is correct |
| 13 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 14 |
Correct |
81 ms |
156920 KB |
Output is correct |
| 15 |
Correct |
80 ms |
156920 KB |
Output is correct |
| 16 |
Correct |
80 ms |
156900 KB |
Output is correct |
| 17 |
Correct |
102 ms |
156920 KB |
Output is correct |
| 18 |
Correct |
75 ms |
156920 KB |
Output is correct |
| 19 |
Correct |
81 ms |
156920 KB |
Output is correct |
| 20 |
Correct |
82 ms |
156980 KB |
Output is correct |
| 21 |
Correct |
88 ms |
156896 KB |
Output is correct |
| 22 |
Correct |
76 ms |
156920 KB |
Output is correct |
| 23 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 24 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 25 |
Correct |
77 ms |
156896 KB |
Output is correct |
| 26 |
Correct |
89 ms |
156920 KB |
Output is correct |
| 27 |
Correct |
77 ms |
156920 KB |
Output is correct |
| 28 |
Correct |
79 ms |
156920 KB |
Output is correct |
| 29 |
Correct |
82 ms |
156920 KB |
Output is correct |
| 30 |
Correct |
78 ms |
156920 KB |
Output is correct |
| 31 |
Correct |
81 ms |
156920 KB |
Output is correct |
| 32 |
Correct |
80 ms |
156864 KB |
Output is correct |
| 33 |
Correct |
134 ms |
176760 KB |
Output is correct |
| 34 |
Correct |
115 ms |
177008 KB |
Output is correct |
| 35 |
Correct |
102 ms |
177028 KB |
Output is correct |
| 36 |
Correct |
133 ms |
177016 KB |
Output is correct |
| 37 |
Correct |
136 ms |
176888 KB |
Output is correct |
| 38 |
Correct |
143 ms |
176752 KB |
Output is correct |
| 39 |
Correct |
129 ms |
176636 KB |
Output is correct |
| 40 |
Correct |
108 ms |
176632 KB |
Output is correct |
| 41 |
Correct |
134 ms |
176632 KB |
Output is correct |
| 42 |
Correct |
110 ms |
176632 KB |
Output is correct |
| 43 |
Correct |
633 ms |
352708 KB |
Output is correct |
| 44 |
Correct |
323 ms |
372332 KB |
Output is correct |
| 45 |
Correct |
344 ms |
380020 KB |
Output is correct |
| 46 |
Correct |
667 ms |
450240 KB |
Output is correct |
| 47 |
Correct |
664 ms |
450172 KB |
Output is correct |
| 48 |
Correct |
679 ms |
449968 KB |
Output is correct |
| 49 |
Correct |
602 ms |
434940 KB |
Output is correct |
| 50 |
Correct |
396 ms |
389060 KB |
Output is correct |
| 51 |
Correct |
668 ms |
449932 KB |
Output is correct |
| 52 |
Correct |
414 ms |
391740 KB |
Output is correct |
