View Compilation Error

0_0_31610819_17916.cpp: In function 'int main()':
0_0_31610819_17916.cpp:17:9: error: expected ';' before 'for'
         for(int j = 0; j < m; j++) {
         ^
0_0_31610819_17916.cpp:17:24: error: 'j' was not declared in this scope
         for(int j = 0; j < m; j++) {
                        ^