View Compilation Error

0_0_36695597_10790.cpp: In function 'int main()':
0_0_36695597_10790.cpp:51:29: error: expected primary-expression before '=' token
         for (int i = 1; i < =n; i++) {
                             ^
0_0_36695597_10790.cpp:52:33: error: expected primary-expression before '=' token
             for (int j = 1; j < =n; j++) {
                                 ^
0_0_36695597_10790.cpp:67:29: error: expected primary-expression before '=' token
         for (int i = 1; i < =n; i++) {
                             ^