Submission #172503

#	Time	Username	Problem	Language	Result	Execution time	Memory
172503		DS007	Gondola (IOI14_gondola)	C++14	15 / 100	16 ms	2832 KiB

gondola

#include <bits/stdc++.h>
#include <gondola.h>
using namespace std;

int valid(int n, int inputSeq[]) {
    int done[250001] = {};
    vector<int> a;
    int check = 1;
    for (int i = 0; i < n; i++) {
        done[inputSeq[i]]++;
        if (done[inputSeq[i]] > 1)
            check = 0;
        if (inputSeq[i] <= n)
            a.push_back(inputSeq[i]);
    }

    int pos = -1, val = n + 1;
    for (int i = 0; i < a.size(); i++) {
        if (a[i] < val)
            val = a[i], pos = i;
    }

    for (int i = 0, j = pos + 1; i < a.size() - 1; i++, j++) {
        if (j == a.size())
            j = 0;
        if (a[j] <= val)
            check = 0;
        val = a[j];
    }

    return check;
}

int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
    return 1;
}

int countReplacement(int n, int inputSeq[]) {
    return 1;
}

/*int gondolaSequence[100001];
int replacementSequence[250001];

int main()
{
    int i, n, tag;
    int nr;
    assert(scanf("%d", &tag)==1);
    assert(scanf("%d", &n)==1);
    for(i=0;i< n;i++)
        assert( scanf("%d", &gondolaSequence[i]) ==1);

    switch (tag){
        case 1: case 2: case 3:
            printf("%d\n", valid(n, gondolaSequence));
            break;

        case 4: case 5: case 6:
            nr = replacement(n, gondolaSequence, replacementSequence);
            printf("%d ", nr);
            if (nr > 0)
            {
                for (i=0; i<nr-1; i++)
                    printf("%d ", replacementSequence[i]);
                printf("%d\n", replacementSequence[nr-1]);
            }
            else printf("\n");
            break;

        case 7: case 8: case 9: case 10:
            printf("%d\n",  countReplacement(n, gondolaSequence));
            break;
    }

    return 0;
}*/

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:18:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < a.size(); i++) {
                     ~~^~~~~~~~~~
gondola.cpp:23:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0, j = pos + 1; i < a.size() - 1; i++, j++) {
                                  ~~^~~~~~~~~~~~~~
gondola.cpp:24:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (j == a.size())
             ~~^~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 10
• Subtask 4: 0 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 5 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10