Submission #596243

#	Time	Username	Problem	Language	Result	Execution time	Memory
596243		Mohammed_Atalah	Simurgh (IOI17_simurgh)	C++17	Compilation error	0 ms	0 KiB

simurgh

#include "simurgh.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#include <cstdio>
#include <cassert>
#include <vector>
#include <cstdlib>
#include <string>

using namespace std;

static int MAXQ = 30000;

static int n, m, q = 0;
static vector<int> u, v;
static vector<bool> goal;

static void wrong_answer()
{
    printf("NO\n");
    exit(0);
}

static bool is_valid(const vector<int>& r)
{
    if(int(r.size()) != n - 1){
    cout << "size problem" << endl;
        return false;
        }

    for(int i = 0; i < n - 1; i++)
        if (r[i] < 0 || r[i] >= m){
        cout << "out of index" << endl;
            return false;
            }

    return true;
}

static int _count_common_roads_internal(const vector<int>& r)
{
    if(!is_valid(r)){
      cout << "is not valid" << endl;
        wrong_answer();

        }

    int common = 0;
    for(int i = 0; i < n - 1; i++)
    {
        bool is_common = goal[r[i]];
        if (is_common)
            common++;
    }

    return common;
}

int count_common_roads(const vector<int>& r)
{
    q++;
    if(q > MAXQ){
      cout << "max problem" << endl;
     wrong_answer();

    }


    return _count_common_roads_internal(r);
}

int main()
{
    assert(2 == scanf("%d %d", &n, &m));

    u.resize(m);
    v.resize(m);

    for(int i = 0; i < m; i++)
        assert(2 == scanf("%d %d", &u[i], &v[i]));

    goal.resize(m, false);

    for(int i = 0; i < n - 1; i++)
    {
        int id;
        assert(1 == scanf("%d", &id));
        goal[id] = true;
    }

    vector<int> res = find_roads(n, u, v);
///////
    cout << "hello" << endl;
    if(_count_common_roads_internal(res) != n - 1)
    {
        cout << "a real WA" << endl;
        for(int i = 0 ; i < res.size(); i++)
        {
            cout << res[i] << " ";
        }
        cout << endl;
        wrong_answer();
    }

    printf("YES\n");

    return 0;
}

Compilation message (stderr)

simurgh.cpp: In function 'int main()':
simurgh.cpp:100:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  100 |         for(int i = 0 ; i < res.size(); i++)
      |                         ~~^~~~~~~~~~~~
/usr/bin/ld: /tmp/ccwvGxBN.o: in function `count_common_roads(std::vector<int, std::allocator<int> > const&)':
grader.cpp:(.text+0x350): multiple definition of `count_common_roads(std::vector<int, std::allocator<int> > const&)'; /tmp/cctGUdjQ.o:simurgh.cpp:(.text+0x210): first defined here
/usr/bin/ld: /tmp/ccwvGxBN.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cctGUdjQ.o:simurgh.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cctGUdjQ.o: in function `main':
simurgh.cpp:(.text.startup+0x16d): undefined reference to `find_roads(int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
/usr/bin/ld: /tmp/ccwvGxBN.o: in function `main':
grader.cpp:(.text.startup+0x2ef): undefined reference to `find_roads(int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status