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44 lines (44 loc) · 900 Bytes
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Collect Resources.cpp
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44 lines (44 loc) · 900 Bytes
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int r,c,a[1005][1005],b[1005][1005];
long long dp[1005],mx[1005];
int Solution::solve(vector<vector<int> > &A, vector<vector<int> > &B) {
long long ans=0,s=0;
r=A.size();
c=A[0].size();
for(int i=0;i<r;i++)
{
for(int j=0;j<c;j++)
{
a[i][j]=A[i][j];
ans+=a[i][j];
}
}
for(int i=0;i<r;i++)
{
for(int j=0;j<c;j++)
{
b[i][j]=B[i][j];
b[i][j]-=a[i][j];
}
}
dp[0]=0;
mx[0]=0;
for(int i=1;i<=c;i++)
{
s+=b[0][i-1];
dp[i]=s;
mx[i]=max(mx[i-1],dp[i]);
}
for(int i=1;i<r;i++)
{
dp[0]=mx[0];
s=0;
for(int j=1;j<=c;j++)
{
s+=b[i][j-1];
dp[j]=s+mx[j];
}
for(int j=1;j<=c;j++)
mx[j]=max(mx[j-1],dp[j]);
}
return (ans+mx[c])%1000000007;
}