http://poj.org/problem?id=2928 #include <algorithm> #include <cstdio> #include <vector> #include <map> #include <stack> #include <memory.h> #include <math.h> using namespace std; __int64 x[100010], y[100010]; int main( ) { int n, m, c, C, i, j; scanf( "%d%d%d%d", &n, &m, &c, &C ); for( i=0; i<n; i++ ) scanf( "%I64d", x+i ); for( j=0; j<m; j++ ) scanf( "%I64d", y+j ); sort( x, x+n ); sort( y, y+m ); if( x[n-1] != y[m-1] ) { printf( "Impossiblen" ); return 0; } __int64 min = 0, max = 0; x[n] = y[m] = x[n-1]+1; i=0, j=0; while( 1 ) { if( x[i] < y[j] ) { min += x[i]; max += x[i]*(m-j); i++; } else if(x[i] == y[j] ) { min += x[i]; max += x[i]*(n-i+m-j-1); i++, j++; } else { min += y[j]; max += y[j]*(n-i); j++; } if( i >= n && j >= m ) break; } printf( "Minimum: %I64d, maximum: %I64dn", min*c, max*C ); return 0; }
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