Submission #1011334

#	Time	Username	Problem	Language	Result	Execution time	Memory
1011334		kaopj	Miners (IOI07_miners)	C++17	Compilation error	0 ms	0 KiB

miners

#include <iostream>
#include <vector>
#define lgm cin.tie(0)->sync_with_stdio(0);
using namespace std;
#define int long long
signed main() {
    lgm;
    int n;
    cin >> n;
    char c[n+1];
    cin >> c;
    auto dfs = [&] (auto dfs,int p,vector<char> a,vector<char> b)->int {
        vector<char> ua=a,ub=b;
        int sa=0,sb=0;
        bool hm=0,hb=0,hf=0;
        ua[0]=ua[1];
        ua[1]=ua[2];
        ua[2]=c[p];
        ub[0]=ub[1];
        ub[1]=ub[2];
        ub[2]=c[p];
        for (int i=0;i<3;i++) {
            if (ua[i] == 'M') {
                sa+=1-hm;
                hm=1;
            } else if (ua[i] == 'B') {
                sa+=1-hb;
                hb=1;
            } else if (ua[i] == 'F') {
                sa+=1-hf;
                hf=1;
            }
        }
        hm=0; hb=0; hf=0;
        for (int i=0;i<3;i++) {
            if (ub[i] == 'M') {
                sb+=1-hm;
                hm=1;
            } else if (ub[i] == 'B') {
                sb+=1-hb;
                hb=1;
            } else if (ub[i] == 'F') {
                sb+=1-hf;
                hf=1;
            }
        }
        if (p == n-1) {
            return max(sa,sb);
        }
        return max(sa+dfs(dfs,p+1,ua,a),sb+dfs(dfs,p+1,a,sb));
    };
    cout << dfs(dfs,0,{' ',' ',' '},{' ',' ',' '});
    return 0;
}

Compilation message (stderr)

miners.cpp: In function 'int main()':
miners.cpp:12:16: error: use of deleted function 'main()::<lambda(auto:1, long long int, std::vector<char>, std::vector<char>)>::~<lambda>()'
   12 |     auto dfs = [&] (auto dfs,int p,vector<char> a,vector<char> b)->int {
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   13 |         vector<char> ua=a,ub=b;
      |         ~~~~~~~~~~~~~~~~~~~~~~~
   14 |         int sa=0,sb=0;
      |         ~~~~~~~~~~~~~~
   15 |         bool hm=0,hb=0,hf=0;
      |         ~~~~~~~~~~~~~~~~~~~~
   16 |         ua[0]=ua[1];
      |         ~~~~~~~~~~~~
   17 |         ua[1]=ua[2];
      |         ~~~~~~~~~~~~
   18 |         ua[2]=c[p];
      |         ~~~~~~~~~~~
   19 |         ub[0]=ub[1];
      |         ~~~~~~~~~~~~
   20 |         ub[1]=ub[2];
      |         ~~~~~~~~~~~~
   21 |         ub[2]=c[p];
      |         ~~~~~~~~~~~
   22 |         for (int i=0;i<3;i++) {
      |         ~~~~~~~~~~~~~~~~~~~~~~~
   23 |             if (ua[i] == 'M') {
      |             ~~~~~~~~~~~~~~~~~~~
   24 |                 sa+=1-hm;
      |                 ~~~~~~~~~
   25 |                 hm=1;
      |                 ~~~~~
   26 |             } else if (ua[i] == 'B') {
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~
   27 |                 sa+=1-hb;
      |                 ~~~~~~~~~
   28 |                 hb=1;
      |                 ~~~~~
   29 |             } else if (ua[i] == 'F') {
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~
   30 |                 sa+=1-hf;
      |                 ~~~~~~~~~
   31 |                 hf=1;
      |                 ~~~~~
   32 |             }
      |             ~   
   33 |         }
      |         ~       
   34 |         hm=0; hb=0; hf=0;
      |         ~~~~~~~~~~~~~~~~~
   35 |         for (int i=0;i<3;i++) {
      |         ~~~~~~~~~~~~~~~~~~~~~~~
   36 |             if (ub[i] == 'M') {
      |             ~~~~~~~~~~~~~~~~~~~
   37 |                 sb+=1-hm;
      |                 ~~~~~~~~~
   38 |                 hm=1;
      |                 ~~~~~
   39 |             } else if (ub[i] == 'B') {
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                 sb+=1-hb;
      |                 ~~~~~~~~~
   41 |                 hb=1;
      |                 ~~~~~
   42 |             } else if (ub[i] == 'F') {
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~
   43 |                 sb+=1-hf;
      |                 ~~~~~~~~~
   44 |                 hf=1;
      |                 ~~~~~
   45 |             }
      |             ~   
   46 |         }
      |         ~       
   47 |         if (p == n-1) {
      |         ~~~~~~~~~~~~~~~
   48 |             return max(sa,sb);
      |             ~~~~~~~~~~~~~~~~~~
   49 |         }
      |         ~       
   50 |         return max(sa+dfs(dfs,p+1,ua,a),sb+dfs(dfs,p+1,a,sb));
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   51 |     };
      |     ~           
miners.cpp:12:18: note: 'main()::<lambda(auto:1, long long int, std::vector<char>, std::vector<char>)>::~<lambda>()' is implicitly deleted because the default definition would be ill-formed:
   12 |     auto dfs = [&] (auto dfs,int p,vector<char> a,vector<char> b)->int {
      |                  ^