Submission #627794

#	Time	Username	Problem	Language	Result	Execution time	Memory
627794		peti1234	Rarest Insects (IOI22_insects)	C++17	Compilation error	0 ms	0 KiB

insects

#include <bits/stdc++.h>

using namespace std;
#include "insects.h"
const int c=2005;
int cnt, si, ord[c];
bool v[c], fix[c];
int add(int a) {
    assert(!v[a]);
    v[a]=true;
    si++;
    move_inside(a);
    return press_button();
}
void sub(int a) {
    assert(v[a]);
    v[a]=false;
    si--;
    move_outside(a);
}
int min_cardinality(int N) {
    for (int i=0; i<N; i++) {
        ord[i]=i;
    }
    random_shuffle(ord, ord+N);
    for (int i=0; i<N; i++) {
        if (add(i)==2) {
            sub(i);
        } else {
            cnt++;
        }
    }
    for (int i=0; i<N; i++) {
        if (v[i]) {
            fix[i]=1;
        }
    }
    int lo=1, hi=N/cnt+1, mid;
    while (hi-lo>1) {
        mid=(hi+lo)/2;
        for (int i=0; i<N; i++) {
            int pos=ord[i];
            if (fix[pos] || si==cnt*mid) continue;
            if (add(pos)>mid) {
                sub(pos);
            }
        }
        if (si==cnt*mid) {
            lo=mid;
            for (int i=0; i<N; i++) {
                if (v[i]) {
                    fix[i]=1;
                }
            }
        } else {
            hi=mid;
            for (int i=0; i<N; i++) {
                if (fix[i]) continue;
                if (!v[i]) fix[i]=1;
                else {
                    sub(i);
                }
            }
        }
    }
    return lo;
}
/*
int main()
{
    
    return 0;
}
*/#include <bits/stdc++.h>

using namespace std;
#include "insects.h"
const int c=2005;
int cnt, si, ord[c];
bool v[c], fix[c];
int add(int a) {
    assert(!v[a]);
    v[a]=true;
    si++;
    move_inside(a);
    return press_button();
}
void sub(int a) {
    assert(v[a]);
    v[a]=false;
    si--;
    move_outside(a);
}
int min_cardinality(int N) {
    for (int i=0; i<N; i++) {
        ord[i]=i;
    }
    random_shuffle(ord, ord+N);
    for (int i=0; i<N; i++) {
        if (add(i)==2) {
            sub(i);
        } else {
            cnt++;
        }
    }
    for (int i=0; i<N; i++) {
        if (v[i]) {
            fix[i]=1;
        }
    }
    int lo=1, hi=N/cnt+1, mid;
    while (hi-lo>1) {
        mid=(hi+lo)/2;
        for (int i=0; i<N; i++) {
            int pos=ord[i];
            if (fix[pos] || si==cnt*mid) continue;
            if (add(pos)>mid) {
                sub(pos);
            }
        }
        if (si==cnt*mid) {
            lo=mid;
            for (int i=0; i<N; i++) {
                if (v[i]) {
                    fix[i]=1;
                }
            }
        } else {
            hi=mid;
            for (int i=0; i<N; i++) {
                if (fix[i]) continue;
                if (!v[i]) fix[i]=1;
                else {
                    sub(i);
                }
            }
        }
    }
    return lo;
}
/*
int main()
{
    
    return 0;
}
*/

Compilation message (stderr)

insects.cpp:78:11: error: redefinition of 'const int c'
   78 | const int c=2005;
      |           ^
insects.cpp:5:11: note: 'const int c' previously defined here
    5 | const int c=2005;
      |           ^
insects.cpp:79:5: error: redefinition of 'int cnt'
   79 | int cnt, si, ord[c];
      |     ^~~
insects.cpp:6:5: note: 'int cnt' previously declared here
    6 | int cnt, si, ord[c];
      |     ^~~
insects.cpp:79:10: error: redefinition of 'int si'
   79 | int cnt, si, ord[c];
      |          ^~
insects.cpp:6:10: note: 'int si' previously declared here
    6 | int cnt, si, ord[c];
      |          ^~
insects.cpp:79:14: error: redefinition of 'int ord [2005]'
   79 | int cnt, si, ord[c];
      |              ^~~
insects.cpp:6:14: note: 'int ord [2005]' previously declared here
    6 | int cnt, si, ord[c];
      |              ^~~
insects.cpp:80:6: error: redefinition of 'bool v [2005]'
   80 | bool v[c], fix[c];
      |      ^
insects.cpp:7:6: note: 'bool v [2005]' previously declared here
    7 | bool v[c], fix[c];
      |      ^
insects.cpp:80:12: error: redefinition of 'bool fix [2005]'
   80 | bool v[c], fix[c];
      |            ^~~
insects.cpp:7:12: note: 'bool fix [2005]' previously declared here
    7 | bool v[c], fix[c];
      |            ^~~
insects.cpp:81:5: error: redefinition of 'int add(int)'
   81 | int add(int a) {
      |     ^~~
insects.cpp:8:5: note: 'int add(int)' previously defined here
    8 | int add(int a) {
      |     ^~~
insects.cpp:88:6: error: redefinition of 'void sub(int)'
   88 | void sub(int a) {
      |      ^~~
insects.cpp:15:6: note: 'void sub(int)' previously defined here
   15 | void sub(int a) {
      |      ^~~
insects.cpp:94:5: error: redefinition of 'int min_cardinality(int)'
   94 | int min_cardinality(int N) {
      |     ^~~~~~~~~~~~~~~
insects.cpp:21:5: note: 'int min_cardinality(int)' previously defined here
   21 | int min_cardinality(int N) {
      |     ^~~~~~~~~~~~~~~