Pagini recente » Cod sursa (job #1012471) | Cod sursa (job #3126541) | Cod sursa (job #1184162) | Cod sursa (job #375144) | Cod sursa (job #1753917)
#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <bitset>
#include <queue>
using namespace std;
const int nmx = 7300;
int n,m,r,c; /// r linii , c coloane
int mat[3700][90];
int sum_col[90];
int sol[90];
int sumtotal;
int raspuns;
bitset <90> viz;
priority_queue <int> q;
void citire()
{
scanf("%d %d %d %d", &n, &m, &r, &c);
if(n >= m)
{
if(m == 1)
{
if(c == 1)
{
printf("0\n");
}
else
{
int sum = 0;
for(int i = 1; i <= n; ++i)
{
int nr;
scanf("%d", &nr);
sum += nr;
}
printf("%d\n", sum);
}
exit(0);
}
else
{
for(int i = 1; i <= n; ++i)
for(int j = 1; j <= m; ++j)
scanf("%d", &mat[i][j]);
}
}
else
{
if(n == 1)
{
if(r == 1)
{
printf("%d\n", 0);
}
else
{
int sum = 0;
for(int j = 1; j <= m; ++j)
{
int nr;
scanf("%d", &nr);
sum += nr;
}
printf("%d\n", sum);
}
exit(0);
}
else
{
for(int i = 1; i <= n; ++i)
for(int j = 1; j <= m; ++j)
scanf("%d", &mat[j][i]);
swap(n,m);
swap(r,c);
}
}
}
void calc_sum_total()
{
for(int i = 1; i <= n; ++i)
for(int j = 1; j <= m; ++j)
sumtotal += mat[i][j];
}
void calcul_sum_col()
{
for(int j = 1; j <= m; ++j)
for(int i = 1; i <= n; ++i)
sum_col[j] += mat[i][j];
}
void verif()
{
int sumaux = sumtotal;
viz.reset();
for(int i = 1; i <= c; ++i)
{
viz[sol[i]] = true;
sumaux -= sum_col[sol[i]];
}
for(int i = 1; i <= n; ++i)
{
int sum_partial = 0;
for(int j = 1; j <= m; ++j)
if(not viz[j])
sum_partial += mat[i][j];
q.push(-sum_partial);
}
int rr = r;
while(rr)
{
sumaux += q.top();
q.pop();
-- rr;
}
raspuns = max(raspuns,sumaux);
}
void combinari()
{
for(int i = 1; i <= c; ++i)
sol[i] = 1;
bool ok = 1;
while(ok)
{
verif();
bool kaux = 0;
for(int i = c; i; --i)
if(sol[i] + 1 + c - i <= m)
{
int val = sol[i] + 1;
for(int j = i; j <= c; ++j)
sol[j] = val++;
kaux = 1;
break;
}
if(not kaux)
ok = 0;
}
}
void afish()
{
printf("%d\n", raspuns);
}
int main()
{
freopen("elimin.in", "r", stdin);
freopen("elimin.out", "w", stdout);
citire();
calc_sum_total();
calcul_sum_col();
combinari();
///afish();
for(int i = 1; i <= n ;++i)
{
for(int j = 1; j <= m ;++j)
printf("%d ", mat[i][j]);
printf("\n");
}
return 0;
}