oj.uz

Submission #57934

# Submission time Handle Problem Language Result Execution time Memory
57934 2018-07-16T14:13:53 Z E869120 Boxes with souvenirs (IOI15_boxes) C++14
50 / 100
 133 ms 13140 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, int ty) {
	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;
	else if (ty == 1) return (1LL << 60);
	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, 0);

	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, 0));
			//cout << ex << " " << sum + dist(cx, ex + N - 1, 0) << endl;
			sum -= c[ex % N]; ex += K; sum += c[cx%N]; cx += K;
		}
	}
	if (K * 2 < N) {
		for (int i = 0; i < N; i++) {
			if (used[i] == true) continue;

			long long cx = i, sum = 0;
			while (cx + K * 2 < 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, 1));
				//cout << ex << " " << sum + dist(cx, ex + N - 1, 1) << endl;
				sum -= c[ex % N]; ex += K; sum += c[cx%N]; cx += K;
			}
		}
	}
	return minx;
}

Compilation message

boxes.cpp: In function 'int dist(int, int, int)':
boxes.cpp:14:32: warning: overflow in implicit constant conversion [-Woverflow]
  else if (ty == 1) return (1LL << 60);
                           ~~~~~^~~~~~
boxes.cpp:16:12: 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:38:49: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
    minx = min(minx, sum + dist(cx, ex + N - 1, 0));
                                                 ^
boxes.cpp:38:43: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
    minx = min(minx, sum + dist(cx, ex + N - 1, 0));
                                    ~~~~~~~^~~
boxes.cpp:53:50: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
     minx = min(minx, sum + dist(cx, ex + N - 1, 1));
                                                  ^
boxes.cpp:53:44: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
     minx = min(minx, sum + dist(cx, ex + N - 1, 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 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 380 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 360 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 348 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 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 380 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 360 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 348 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 292 KB Output is correct
31 Correct 2 ms 376 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 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 380 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 360 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 348 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 292 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 117 ms 13116 KB Output is correct
34 Correct 105 ms 13140 KB Output is correct
35 Correct 103 ms 13024 KB Output is correct
36 Correct 133 ms 13116 KB Output is correct
37 Correct 123 ms 13124 KB Output is correct
38 Correct 122 ms 13120 KB Output is correct
39 Incorrect 112 ms 13120 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 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 380 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 360 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 348 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 292 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 117 ms 13116 KB Output is correct
34 Correct 105 ms 13140 KB Output is correct
35 Correct 103 ms 13024 KB Output is correct
36 Correct 133 ms 13116 KB Output is correct
37 Correct 123 ms 13124 KB Output is correct
38 Correct 122 ms 13120 KB Output is correct
39 Incorrect 112 ms 13120 KB Output isn't correct
40 Halted 0 ms 0 KB -