Submission #306569

#	Time	Username	Problem	Language	Result	Execution time	Memory
306569		peti1234	Painting Squares (IOI20_squares)	C++17	Compilation error	0 ms	0 KiB

squares

#include <bits/stdc++.h>
#include "squares.h"
using namespace std;
const int c=512;
int n;
vector<int> sol, s, ans, sz[c];
bool v[c][2];
void dfs(int a) {
    if (!v[a][0]) {
        v[a][0]=1, dfs(sz[a][0]);
        s.push_back(0);
    }
    if (!v[a][1]) {
        v[a][1]=1, dfs(sz[a][1]);
        s.push_back(1);
    }
}
vector<int> paint(int N) {
    n=N;
    for (int i=0; i<c; i++) sz[i].clear(), sol.clear(), s.clear(), ans.clear(), v[i][0]=0, v[i][1]=0;
    for (int i=0; i<c; i++) {
        int x=2*i%c;
        sz[i].push_back(x), sz[i].push_back(x+1);
    }
    dfs(0);
    for (int i=0; i<9; i++) sol.push_back(0);
    while(s.size()>0) sol.push_back(s.back()), s.pop_back();
    for (int i=0; i<n; i++) ans.push_back(sol[i]);
    ans.push_back(min(10, n));
    for (int i=0; i<10; i++) sol.push_back(-1);
    for (int i=n; i<n+10; i++) sol[i]=-1;
    return ans;
}
int find_location(int n, vector<int> sz) {
    int k=sz.size();
    for (int i=0; i<c; i++) sz[i].clear(), sol.clear(), s.clear(), ans.clear(), v[i][0]=0, v[i][1]=0;
    for (int i=0; i<c; i++) {
        int x=2*i%c;
        sz[i].push_back(x), sz[i].push_back(x+1);
    }
    dfs(0);
    for (int i=0; i<9; i++) sol.push_back(0);
    while(s.size()>0) sol.push_back(s.back()), s.pop_back();
    for (int i=0; i<n; i++) ans.push_back(sol[i]);
    ans.push_back(min(10, n));
    for (int i=0; i<10; i++) sol.push_back(-1);
    for (int i=n; i<n+10; i++) sol[i]=-1;
    for (int i=0; i<n; i++) {
        bool jo=1;
        for (int j=0; j<k; j++) {
            if (sol[i+j]!=sz[j]) jo=0;
        }
        if (jo) return i;
    }
    return n;
}
int b1, b2, b3, w;
vector<int> v1, v2;
int main()
{
    cin >> w;
    while(w--) {
        cin >> b1;
        v1=paint(b1);
        for (int i=0; i<v1.size(); i++) cout << v1[i] << " ";
        b3=v1.back();
        cout << "\n";
        cin >> b2;
        for (int i=0; i<b2; i++) {
            v2.clear();
            for (int i=0; i<b3; i++) {
                int x; cin >> x;
                v2.push_back(x);
            }
            cout << find_location(b1, v2) << "\n";
        }
    }
    return 0;
}

Compilation message (stderr)

squares.cpp: In function 'int find_location(int, std::vector<int>)':
squares.cpp:36:35: error: request for member 'clear' in 'sz.std::vector<int>::operator[](((std::vector<int>::size_type)i))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
   36 |     for (int i=0; i<c; i++) sz[i].clear(), sol.clear(), s.clear(), ans.clear(), v[i][0]=0, v[i][1]=0;
      |                                   ^~~~~
squares.cpp:39:15: error: request for member 'push_back' in 'sz.std::vector<int>::operator[](((std::vector<int>::size_type)i))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
   39 |         sz[i].push_back(x), sz[i].push_back(x+1);
      |               ^~~~~~~~~
squares.cpp:39:35: error: request for member 'push_back' in 'sz.std::vector<int>::operator[](((std::vector<int>::size_type)i))', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
   39 |         sz[i].push_back(x), sz[i].push_back(x+1);
      |                                   ^~~~~~~~~
squares.cpp: In function 'int main()':
squares.cpp:65:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |         for (int i=0; i<v1.size(); i++) cout << v1[i] << " ";
      |                       ~^~~~~~~~~~