Submission #67146

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
67146	2018-08-13T11:55:49 Z	MrTEK	Hidden Sequence (info1cup18_hidden)	C++14	Compilation error	0 ms	0 KB

hidden

#include<bits/stdc++.h>
#include "grader.h"

using namespace std;
#define mp make_pair
#define pb push_back
#define len(a) (int)a.size()
#define fi first
#define sc second
#define d1(w) cerr<<#w<<":"<<w<<endl;
#define d2(w,c) cerr<<#w<<":"<<w<<" "<<#c<<":"<<c<<endl;
#define d3(w,c,z) cerr<<#w<<":"<<w<<" "<<#c<<":"<<c<<" "<<#z<<":"<<z<<endl;
#define left ind+ind
#define right ind+ind+1
#define mid (l+r)/2
#define FAST_IO ios_base::sync_with_stdio(false);
#define endl '\n'

const int maxn = 620;
const long long LINF = 1e18;
const int LOG = 31;
const int INF = 1e9;
const int N = 1e3 + 5;
const int M = 4;
const int SQ = 350;
const int MOD = 998244353;

using namespace std;

static int maxQ = 0;
static vector < int > theRealAnswer;

bool isSubsequence (vector < int > v)
{
    if (v.size () > maxQ)
        maxQ = v.size ();
    int i = 0;
    for (auto it : v)
    {
        while (i < theRealAnswer.size () && it != theRealAnswer[i]) i ++;
        if (i == theRealAnswer.size ()) return 0;
        i ++;
    }
    return 1;
}
vector < int > findSequence (int N)
{
    vector < int > ans (N, 0),sif,v;
    for (int i = 0 ; i < N ; i++) {
        sif.pb(0);
        if (isSubsequence(sif) == false) {sif.pop_back();break;}
    }
    if (len(sif) == N) {
        for (int i = 0 ; i < N ; i++) ans[i] = sif[i];
        return ans;
    }
    else if(len(sif) == 0) {
        for (int i = 0 ; i < N ; i++) ans[i] = 1;
        return ans;
    }
    for (int i = 0 ; i < N ; i++) {
        v.clear();
        for (int j = 0; j < i ; j++) v.pb(ans[j]);
        v.pb(1);
        for (int j = 0 ; j < len(sif) ; j++) v.pb(sif[j]);
        if (len(v) > N) {
            for (int j = i ; j < N ; j++) ans[i] = 0;
                break;
        }
        // printf("%d ------>",i + 1);
        // for (auto j : v) printf("%d ",j);
        // puts("");
        if (isSubsequence(v)) {
            ans[i] = 1;
            continue;
        }
        else {
            ans[i] = 0;
            sif.pop_back();
        }
    }
    return ans;
}
int main ()
{
int n, x;
scanf ("%d", &n), maxQ = 0;
for (int i=1; i<=n; i++)
    scanf ("%d", &x), theRealAnswer.push_back (x);

vector < int > ans = findSequence (n);
if (ans.size () != theRealAnswer.size ())
{
    printf ("Different lengths\n");
    for (auto it : ans)
        printf ("%d ", it);
    printf ("\n");
    return 0;
}

for (int i=0; i<ans.size (); i++)
    if (ans[i] != theRealAnswer[i])
    {
        printf ("WA position %d\n", i + 1);
        for (auto it : ans)
            printf ("%d ", it);
        printf ("\n");
        return 0;
    }
printf ("Ok, biggest queried length %d\n", maxQ);
return 0;
}

Compilation message

hidden.cpp: In function 'bool isSubsequence(std::vector<int>)':
hidden.cpp:35:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (v.size () > maxQ)
         ~~~~~~~~~~^~~~~~
hidden.cpp:40:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while (i < theRealAnswer.size () && it != theRealAnswer[i]) i ++;
                ~~^~~~~~~~~~~~~~~~~~~~~~~
hidden.cpp:41:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (i == theRealAnswer.size ()) return 0;
             ~~^~~~~~~~~~~~~~~~~~~~~~~~
hidden.cpp: In function 'int main()':
hidden.cpp:101:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 for (int i=0; i<ans.size (); i++)
               ~^~~~~~~~~~~~
hidden.cpp:87:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf ("%d", &n), maxQ = 0;
 ~~~~~~~~~~~~~~~~^~~~~~~~~~
hidden.cpp:89:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf ("%d", &x), theRealAnswer.push_back (x);
     ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
grader.cpp: In function 'int main()':
grader.cpp:28:43: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
     fprintf (fifo_out, "%d\n", ans.size ());
                                ~~~~~~~~~~~^
grader.cpp:29:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<ans.size () && i < N; i++)
                   ~^~~~~~~~~~~~
/tmp/ccjWlqdR.o: In function `isSubsequence(std::vector<int, std::allocator<int> >)':
grader.cpp:(.text+0x0): multiple definition of `isSubsequence(std::vector<int, std::allocator<int> >)'
/tmp/ccZ1nlZQ.o:hidden.cpp:(.text+0x0): first defined here
/tmp/ccjWlqdR.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccZ1nlZQ.o:hidden.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status