View Compilation Error

0_0_38767874_14302.cpp: In function 'int main()':
0_0_38767874_14302.cpp:32:11: error: 's' was not declared in this scope
   32 |         m=s[1]+s[2]*2+s[3]*3+s[4]*4+s[5]*5+s[6]*6;
      |           ^
0_0_38767874_14302.cpp:42:25: error: 'sum' was not declared in this scope
   42 |                         sum += w[i] * i; //物品总价值
      |                         ^~~