View Compilation Error

0_0_15020973_1872.cpp: In function 'int KM()':
0_0_15020973_1872.cpp:52:20: error: expected primary-expression before '=' token
  for(int i = 1;i < =nx;i++)     
                    ^
0_0_15020973_1872.cpp:55:21: error: expected primary-expression before '=' token
   for(int j = 1;j < =ny;j++)             
                     ^
0_0_15020973_1872.cpp:59:20: error: expected primary-expression before '=' token
  for(int x = 1;x < =nx;x++)  
                    ^
0_0_15020973_1872.cpp:69:22: error: expected primary-expression before '=' token
    for(int i = 1;i < =ny;i++)                 
                      ^
0_0_15020973_1872.cpp:83:20: error: expected primary-expression before '=' token
  for(int i = 1;i < =ny;i++)         
                    ^
0_0_15020973_1872.cpp: In function 'int main()':
0_0_15020973_1872.cpp:96:21: error: expected primary-expression before '=' token
   for(int i = 1;i < =n;i++)             
                     ^
0_0_15020973_1872.cpp:97:22: error: expected primary-expression before '=' token
    for(int j = 1;j < =n;j++)                 
                      ^