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1 parent a8a9c28 commit fda5ff7Copy full SHA for fda5ff7
Unique Paths
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+class Solution {
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+// int paths(int m, int n)
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+// {
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+// if(m==1|| n==1)
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+// return 1;
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+
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+// return paths(m-1,n)+paths(m,n-1);
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+// }
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+ int paths(int m, int n)
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+ {
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+ int t[m][n];
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+ for(int i=0;i<m;i++)
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+ t[i][0]=1;
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+ for(int i=0;i<n;i++)
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+ t[0][i]=1;
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+ for(int i=1;i<m;i++)
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+ for(int j=1;j<n;j++)
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+ t[i][j] = t[i-1][j]+t[i][j-1];
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+ }
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+ return t[m-1][n-1];
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+public:
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+ int uniquePaths(int m, int n)
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+ return paths(m,n);
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+};
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