View Compilation Error

0_0_25758735_21566.cpp: In function 'int ON_N()':
0_0_25758735_21566.cpp:20:9: error: expected ';' before 'int'
         int i,j;
         ^
0_0_25758735_21566.cpp:21:14: error: 'i' was not declared in this scope
         for( i = 0;i < m;i++){
              ^
0_0_25758735_21566.cpp:25:13: error: 'i' was not declared in this scope
         for(i = 0;i < m;i++){
             ^
0_0_25758735_21566.cpp:31:13: error: 'i' was not declared in this scope
         for(i = 1;i < m;i++){
             ^
0_0_25758735_21566.cpp:33:17: error: 'j' was not declared in this scope
             for(j = 0;j < i;j++){
                 ^