Submission #376677

#	Time	Username	Problem	Language	Result	Execution time	Memory
376677		daniel920712	Minerals (JOI19_minerals)	C++14	25 / 100	9 ms	748 KiB

minerals

#include "minerals.h"
#include <vector>
#include <stdio.h>
//using namespace std;
int ans[43005]={0};
void Solve(int N)
{
    int x,y,i,j;
    for(i=0;i<14;i++)
    {
        for(j=1;j<=N;j++) if(j&(1<<i)) x=Query(j);
        for(j=1;j<=N;j++)
        {
            y=Query(j+N);
            if(y-x==0) ans[j]+=(1<<i);
            x=y;
        }
        for(j=1;j<=N;j++) if(j&(1<<i)) x=Query(j);
        for(j=1;j<=N;j++) x=Query(j+N);
    }
    for(i=1;i<=N;i++)
    {
        //printf("%d %d\n",i+N,ans[i]);
        Answer(i+N,ans[i]);
    }
}

Compilation message (stderr)

minerals.cpp: In function 'void Solve(int)':
minerals.cpp:15:13: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
   15 |             if(y-x==0) ans[j]+=(1<<i);
      |             ^~

• Subtask 1: 0 / 6
• Subtask 2: 25 / 25
• Subtask 3: 0 / 9
• Subtask 4: 0 / 30
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 10