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- #include <fstream>
- #define NN 205
- #define INFINIT 1000000000
- using namespace std;
- ifstream f("taxe.in");
- ofstream g("taxe.out");
- int n,m,a[NN][NN],s[NN][NN];
- int main()
- {
- f>>n>>m;
- for(int i=1;i<=n;++i)
- for(int j=1;j<=m;++j)
- f>>a[i][j];
- for(int i=1;i<=n;++i)
- s[i][m]=a[i][m];
- for(int j=1;j<=m;++j)
- s[0][j]=s[n+1][j]=INFINIT;
- for(int j=m-1;j>=1;--j)
- for(int i=1;i<=n;++i)
- s[i][j]=a[i][j]+min(min(s[i-1][j+1],s[i][j+1]),s[i+1][j+1]);
- int pmin =1;
- for(int i=2;i<=n;++i)
- if(s[i][1]<s[pmin][1])
- pmin=i;
- g<<s[pmin][1];
- return 0;
- }
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