Submission #224480

#	Time	Username	Problem	Language	Result	Execution time	Memory
224480		Masterdan	Boxes with souvenirs (IOI15_boxes)	C++14	0 / 100	5 ms	384 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
#define MIN -1
#define MAX 1e9+7
#define all(a) a.begin (), a.end ()
#define F first
#define S  second
#define pb push_back
#define mk make_pair
#define mem(a, c) memset(a, 0, sizeof(a))
using namespace std;
typedef vector <int> v;
typedef long long int ll;
typedef pair<int, int> ii;
typedef vector <ll> vll;
long long delivery(int N, int K, int L, int p[]) {
    ll s=0;
    int n=N;
    if(n==1){
    for(int i=0;i<n;i++){
    int  aux=min(p[i], L-p[i]);
    s+=+ll(2*aux);
    }
    return s;
    }
    ll aux1=0;
    for(int i=0;i<n;i++){
        s+=ll(p[i])-aux1;
        aux1=ll(p[i]);
    }
    s+=min(p[n-1], L-p[n-1]);
    ll s1=0;
    aux1=L;
    for(int i=n-1;i>=0;i--){
        s1+=aux1-ll(p[i]);
        aux1=ll(p[i]);
    }
    s1+=min(p[0], min(L-p[0], p[0]));
    ll total =min(s,s1);
    return total;
}/*

static char _buffer[1024];
static int _currentChar = 0;
static int _charsNumber = 0;
static FILE *_inputFile, *_outputFile;

static inline int _read() {
    if (_charsNumber < 0) {
        exit(1);
    }
    if (!_charsNumber || _currentChar == _charsNumber) {
        _charsNumber = (int)fread(_buffer, sizeof(_buffer[0]), sizeof(_buffer), _inputFile);
        _currentChar = 0;
    }
    if (_charsNumber <= 0) {
        return -1;
    }
    return _buffer[_currentChar++];
}

static inline int _readInt() {
    int c, x, s;
    c = _read();
    while (c <= 32) c = _read();
    x = 0;
    s = 1;
    if (c == '-') {
        s = -1;
        c = _read();
    }
    while (c > 32) {
        x *= 10;
        x += c - '0';
        c = _read();
    }
    if (s < 0) x = -x;
    return x;
}

int main() {
	_inputFile = fopen("boxes.in", "rb");
	_outputFile = fopen("boxes.out", "w");

    int N, K, L, i;
    N = _readInt();
    K = _readInt();
    L = _readInt();

    int *p = (int*)malloc(sizeof(int) * (unsigned int)N);

    for (i = 0; i < N; i++) {
        p[i] = _readInt();
    }
    int n, k, l;
    int gg[n];
    cin>>n>>k>>l;
    for(int i=0;i<n;i++){
        cin>>gg[i];
    }
    cout<<delivery(n, k, l, gg)<<endl;
    fprintf(_outputFile, "%lld\n", delivery(N, K, L, p));
    return 0;
}
*/

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:16:31: warning: unused parameter 'K' [-Wunused-parameter]
 long long delivery(int N, int K, int L, int p[]) {
                               ^

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30