塔的最短路径

代码:

#include <iostream>
#include<string.h>

using namespace std;

int num[100][100],dp[100][100];
int min(int a, int b)
{return a<b?a:b;}

int main()
{

        int n,i,j;
        
		cout<<"请输入数塔的层数:"<<endl;
		cin>>n;
		
		cout<<"请输入数值:"<<endl;
        for(i = 1; i<= n; i++)
        for(j = 1; j<=i; j++)
         {

            cin>>num[i][j];
            dp[i][j] = num[i][j];

         }
         for(i = n-1; i>0; i--)
         for(j = 1; j<= i; j++)
         {

            dp[i][j] = min(dp[i+1][j],dp[i+1][j+1])+num[i][j];

         }
         
         cout<<"最短路径值为:"<<endl;

         cout<<dp[1][1]<<endl; 
         
         cout<<"路径:"<<endl;
         
         cout<<num[1][1]<<" ";
         
         int m = dp[1][1],d = num[1][1],ti=1,tj=1;
         
          for(i = 2; i<=n; i++)

          {   m -= d; ti  = i;

            if(m == dp[ti][tj])

            {

                cout<<num[ti][tj]<<" ";

                d = num[ti][tj];

            }

            else if(m == dp[ti][tj+1])

            {

                tj += 1;

                cout<<num[ti][tj]<<" ";

                d = num[ti][tj];

            }

          }

    return 0;

}

图片:

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转载自blog.csdn.net/Tjhfsghbjknjdy/article/details/85011835