Submission #216516

#	Time	Username	Problem	Language	Result	Execution time	Memory
216516		dantoh000	Stray Cat (JOI20_stray)	C++14	Compilation error	0 ms	0 KiB

Anthony

//#include "Catherine.h"
#include <bits/stdc++.h>
using namespace std;
namespace {

int A, B;
int sure = 0;
vector<int> sofar;
int prv = -2;
}  // namespace

void Init(int A, int B) {
  ::A = A;
  ::B = B;
}

int Move(std::vector<int> y) {
    //printf("new move\n");
    //printf("wasted %d so far, sure ? %d\n",(int)sofar.size(),sure);
    //for (int j = 0; j < A; ++j) printf("%d %d\n",j,y[j]);
    if (A >= 3){
        if (prv == -2){
            if (y[0] == 0) return prv = y[1]?1:2;
            else if (y[1] == 0) return prv = y[2]?2:0;
            else if (y[2] == 0) return prv = y[0]?0:1;
        }
        else{
            return prv = (prv+2)%3;
        }
    }
    else{
        if (!sure){
            int total = y[0]+y[1];
            if (total > 1){
                if (sofar.empty()){
                    int choose;
                    if (y[0] + y[1] == 2) choose = y[0]?0:1;
                    else{
                        sure = true;
                        assert(y[0]==1||y[1]==1);
                        choose = y[0]==1?0:1;
                    }
                    sofar.push_back(choose);
                    return choose;
                }
                else{
                    sure = true;
                    if (y[0]==0||y[1]==0){
                        return -1;
                    }
                    else{
                        return y[0]==1?0:1;
                    }
                }
            }
            else if (total == 0){
                sure = true;
                return -1;
            }
            else{
                int cur = y[0] == 1?0:1;
                if ((int)sofar.size() == 0){
                    sure = true;
                    return cur;
                }
                if ((int)sofar.size() == 3){
                    sure = true;
                    int CUR = 4*sofar[0] + 2*sofar[1] + sofar[2];
                    int need;
                    if (CUR == 0 || CUR == 2 || CUR == 5 || CUR == 3) need = 1;
                    else need = 0;
                    //printf("so far visited %d %d %d -> %d\n",sofar[0],sofar[1],sofar[2],need);
                    if (cur == need){
                        return -1;
                    }
                    else return cur;
                }
                else{
                    sofar.push_back(cur);
                    return cur;
                }
            }
        }
        else{
            return y[0]==1?0:1;
        }
    }

}

Catherine

#include "Catherine.h"
#include <bits/stdc++.h>
using namespace std;
namespace {

int A, B;
int sure = 0;
vector<int> sofar;
int prv = -2;
}  // namespace

void Init(int A, int B) {
  ::A = A;
  ::B = B;
}

int Move(std::vector<int> y) {
    //printf("new move\n");
    //printf("wasted %d so far, sure ? %d\n",(int)sofar.size(),sure);
    //for (int j = 0; j < A; ++j) printf("%d %d\n",j,y[j]);
    if (A >= 3){
        if (prv == -2){
            if (y[0] == 0) return prv = y[1]?1:2;
            else if (y[1] == 0) return prv = y[2]?2:0;
            else if (y[2] == 0) return prv = y[0]?0:1;
        }
        else{
            return prv = (prv+2)%3;
        }
    }
    else{
        if (!sure){
            int total = y[0]+y[1];
            if (sofar.empty()){
                if (total == 1){
                    sure = true;
                    return y[0]==1?0:1;
                }
            }
            if (total > 1){
                if (sofar.empty()){
                    int choose;
                    if (y[0] + y[1] == 2) choose = y[0]?0:1;
                    else{
                        sure = true;
                        assert(y[0]==1||y[1]==1);
                        choose = y[0]==1?0:1;
                    }
                    sofar.push_back(choose);
                    return choose;
                }
                else{
                    sure = true;
                    if (y[0]==0||y[1]==0){
                        return -1;
                    }
                    else{
                        return y[0]==1?0:1;
                    }
                }
            }
            else if (total == 0){
                sure = true;
                return -1;
            }
            else{
                int cur = y[0] == 1?0:1;
                if ((int)sofar.size() == 3){
                    sure = true;
                    int CUR = 4*sofar[0] + 2*sofar[1] + sofar[2];
                    int need;
                    if (CUR == 0 || CUR == 2 || CUR == 5 || CUR == 3) need = 1;
                    else need = 0;
                    //printf("so far visited %d %d %d -> %d\n",sofar[0],sofar[1],sofar[2],need);
                    if (cur == need){
                        return -1;
                    }
                    else return cur;
                }
                else{
                    sofar.push_back(cur);
                    return cur;
                }
            }
        }
        else{
            return y[0]==1?0:1;
        }
    }

}

Compilation message (stderr)

Anthony.cpp: In function 'int Move(std::vector<int>)':
Anthony.cpp:89:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
/tmp/ccaVqGcr.o: In function `main':
grader_anthony.cpp:(.text.startup+0x175): undefined reference to `Mark(int, int, int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status

Catherine.cpp: In function 'int Move(std::vector<int>)':
Catherine.cpp:91:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^