Submission #770263

#	Time	Username	Problem	Language	Result	Execution time	Memory
770263		Amylopectin	Team Contest (JOI22_team)	C++14	0 / 100	1 ms	340 KiB

team

#include <stdio.h>
#include <iostream>
#include <algorithm>

using namespace std;
// const int mxn = 1e6 + 10;
const int mxn = 30;
struct we
{
    int val,idx;
};
bool cmp(const struct we &l,const struct we &r)
{
    return l.val > r.val;
}
struct we ta[3][mxn],yy[mxn],zz[mxn];
int u[mxn] = {},atc[mxn] = {};
int main()
{
    int i,j,n,m,cn,cx,cy,cz,ncc[3] = {},of,ru[3] = {},ans = 0;
    scanf("%d",&n);
    for(i=0; i<n; i++)
    {
        scanf("%d %d %d",&cx,&cy,&cz);
        ta[0][i] = {cx,i};
        ta[1][i] = {cy,i};
        ta[2][i] = {cz,i};
    }
    for(i=0 ;i<3; i++)
        sort(ta[i],ta[i]+n,cmp);
    // sort(yy,yy+n,cmp);
    // sort(zz,zz+n,cmp);
    while(1)
    {
        of = 0;
        for(i=0; i<3; i++)
        {
            if(ncc[i] == 0)
            {
                for(j=ru[i]; ta[i][j].val== ta[i][ru[i]].val && j < n; j++)
                {
                    cn = ta[i][j].idx;
                    if(u[cn] == 0)
                    {
                        u[cn] = 1;
                        atc[cn] = i;
                        ncc[i] ++;
                    }
                    else if(u[cn] == 1)
                    {
                        u[cn] = 2;
                        ncc[atc[cn]] --;
                    }
                }
                ru[i] = j;
                if(j == n)
                {
                    ans = -1;
                    break;
                }
                of = 1;
                break;
            }
        }
        if(ans == -1)
        {
            break;
        }
        if(of == 0)
        {
            ans = 0;
            for(i=0; i<3; i++)
            {
                ans += ta[i][ru[i]-1].val;
            }
            break;
        }
    }
    printf("%d\n",ans);
    return 0;
}

Compilation message (stderr)

team.cpp: In function 'int main()':
team.cpp:20:15: warning: unused variable 'm' [-Wunused-variable]
   20 |     int i,j,n,m,cn,cx,cy,cz,ncc[3] = {},of,ru[3] = {},ans = 0;
      |               ^
team.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
team.cpp:24:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |         scanf("%d %d %d",&cx,&cy,&cz);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 29
• Subtask 3: 0 / 9
• Subtask 4: 0 / 9
• Subtask 5: 0 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 27