oj.uz

Submission #57921

# Submission time Handle Problem Language Result Execution time Memory
57921 2018-07-16T14:02:29 Z E869120 Boxes with souvenirs (IOI15_boxes) C++14
50 / 100
 132 ms 13132 KB 
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int v[10000009], NN, KK, LL; bool used[10000009];

int dist(int L, int R) {
	while (L >= NN) { L -= NN; R -= NN; }
	long long V1 = v[L % NN], V2 = v[R % NN];
	long long ret = min(V2, LL - V1);

	if (L < NN && R >= NN) ret = (LL - V1) + V2; ret *= 2;
	return min(1LL * LL, ret);
}

int c[10000009];

long long delivery(int N, int K, int L, int pos[]) {
	NN = N; KK = K; LL = L;
	for (int i = 0; i < N; i++) v[i] = pos[i];

	for (int i = 0; i < N; i++) c[i] = dist(i, i + K - 1);

	long long minx = (1LL << 60);

	for (int i = 0; i < N; i++) {
		if (used[i] == true) continue;

		long long cx = i, sum = 0;
		while (cx + K < i + N) { sum += c[cx % N]; cx += K; }

		long long ex = i;
		while (used[ex % N] == false) {
			used[ex % N] = true;
			minx = min(minx, sum + dist(cx, ex + N - 1));
			sum -= c[ex % N]; ex += K; sum += c[cx%N]; cx += K;
		}
	}
	return minx;
}

Compilation message

boxes.cpp: In function 'int dist(int, int)':
boxes.cpp:13:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if (L < NN && R >= NN) ret = (LL - V1) + V2; ret *= 2;
  ^~
boxes.cpp:13:47: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  if (L < NN && R >= NN) ret = (LL - V1) + V2; ret *= 2;
                                               ^~~
boxes.cpp:14:12: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
  return min(1LL * LL, ret);
         ~~~^~~~~~~~~~~~~~~
boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:36:46: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
    minx = min(minx, sum + dist(cx, ex + N - 1));
                                              ^
boxes.cpp:36:43: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
    minx = min(minx, sum + dist(cx, ex + N - 1));
                                    ~~~~~~~^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 276 KB Output is correct
5 Correct 2 ms 424 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# 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 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct

Subtask #3
15.0 / 15.0

# 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 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 276 KB Output is correct
5 Correct 2 ms 424 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 380 KB Output is correct
31 Correct 2 ms 380 KB Output is correct
32 Correct 2 ms 376 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 276 KB Output is correct
5 Correct 2 ms 424 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 380 KB Output is correct
31 Correct 2 ms 380 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 116 ms 13132 KB Output is correct
34 Correct 97 ms 13116 KB Output is correct
35 Correct 70 ms 13044 KB Output is correct
36 Correct 115 ms 13120 KB Output is correct
37 Correct 115 ms 13120 KB Output is correct
38 Correct 132 ms 13124 KB Output is correct
39 Incorrect 106 ms 13128 KB Output isn't correct
40 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 276 KB Output is correct
5 Correct 2 ms 424 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 380 KB Output is correct
31 Correct 2 ms 380 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 116 ms 13132 KB Output is correct
34 Correct 97 ms 13116 KB Output is correct
35 Correct 70 ms 13044 KB Output is correct
36 Correct 115 ms 13120 KB Output is correct
37 Correct 115 ms 13120 KB Output is correct
38 Correct 132 ms 13124 KB Output is correct
39 Incorrect 106 ms 13128 KB Output isn't correct
40 Halted 0 ms 0 KB -