Submission #640045

#	Time	Username	Problem	Language	Result	Execution time	Memory
640045		jasmin	The Collection Game (BOI21_swaps)	C++14	Compilation error	0 ms	0 KiB

swaps

#include <swaps.h>
#include <algorithm>
#include <functional>
#include <vector>
#include <iostream>
using namespace std;
 
/*void schedule(int i, int j){
    cout << "schedule " << i << " " << j << "\n" << flush;
}
 
vector<int> visit(){
    cout << "visit\n" << flush;
    int n;
    cin >> n;
    vector<int> ans(n);
    for(int i=0; i<n; i++){
        cin >> ans[i];
    }
    cout << "Yes: " << n << "\n";
    return ans;
}
 
void answer(vector<int>& ans){
    cout << "answer: \n";
    for(auto e: ans){
        cout << e << " ";
    }
    cout << "\n" << flush;
}*/
 
void solve(int n, int v){
	vector<vector<int> > op(n);
	for(int i=0; i<n; i++){
		op[0].push_back(i+1);
	}
 
	for(int i=0; i<v; i++){
 
		int cnt=0;
		for(int j=0; j<n; j++){
			for(int k=0; k+1<(int)op[j].size(); k+=2){
				schedule(op[j][k], op[j][k+1]);
				cnt++;
			}
		}
		
		if(cnt==0) break;
 
		vector<int> resp=visit();
		int ind=0;
		vector<vector<int> > op2(n);
		for(int j=0; j<n; j++){
			for(int k=0; k+1<(int)op[j].size(); k+=2){
				if(resp[ind]){
					op2[j].push_back(op[j][k]);
					op2[j+1].push_back(op[j][k+1]);
				}
				else{
					op2[j+1].push_back(op[j][k]);
					op2[j].push_back(op[j][k+1]);
				}
				ind++;
			}
			if(op[j].size()%2==1){
				op2[j].push_back(op[j][op[j].size()-1]);
			}
		}
		op=op2;
	}
  	
  	vector<int> ans(n);
  	for(int i=0; i<n; i++){
  		assert(op[i].size()==1);
    	ans[i]=op[i][0];
    }
  	answer(ans);
}
 
/*signed main(){
	int n, v;
	cin >> n >> v;
	solve(n, v);
}*/

Compilation message (stderr)

swaps.cpp: In function 'void solve(int, int)':
swaps.cpp:74:5: error: 'assert' was not declared in this scope
   74 |     assert(op[i].size()==1);
      |     ^~~~~~
swaps.cpp:6:1: note: 'assert' is defined in header '<cassert>'; did you forget to '#include <cassert>'?
    5 | #include <iostream>
  +++ |+#include <cassert>
    6 | using namespace std;