poj1928

简单题

View Code
   
     
#include < iostream >
#include
< cstdio >
#include
< cstdlib >
#include
< cstring >
#include
< cmath >
#include
< algorithm >
using namespace std;

#define maxn 55

struct Peanut
{
int x, y, num;
}peanut[maxn
* maxn];

int n, m, t, pcount;

bool operator < ( const Peanut & a, const Peanut & b)
{
return a.num > b.num;
}

void input()
{
pcount
= 0 ;
scanf(
" %d%d%d " , & n, & m, & t);
for ( int i = 0 ; i < n; i ++ )
for ( int j = 0 ; j < m; j ++ )
{
int a;
scanf(
" %d " , & a);
if (a)
{
peanut[pcount].x
= i + 1 ;
peanut[pcount].y
= j + 1 ;
peanut[pcount].num
= a;
pcount
++ ;
}
}
}

void work()
{
int nowtime = peanut[ 0 ].x + 1 ;
if (nowtime + peanut[ 0 ].x > t)
{
printf(
" 0\n " );
return ;
}
int ans = peanut[ 0 ].num;
for ( int i = 1 ; i < pcount; i ++ )
{
nowtime
+= abs(peanut[i].x - peanut[i - 1 ].x) + abs(peanut[i].y - peanut[i - 1 ].y) + 1 ;
if (nowtime + peanut[i].x > t)
break ;
ans
+= peanut[i].num;
}
printf(
" %d\n " , ans);
}

int main()
{
// freopen("t.txt", "r", stdin);
int t;
scanf(
" %d " , & t);
while (t -- )
{
input();
sort(peanut, peanut
+ pcount);
work();
}
return 0 ;
}

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