View Compilation Error

0_0_21644854_4755.cpp: In function 'int main()':
0_0_21644854_4755.cpp:24:33: error: 'l' was not declared in this scope
             for(int j = 1; j <= l / j; j++) swap(s[0], s[j]), s[j]++;
                                 ^
0_0_21644854_4755.cpp:26:33: error: 'l' was not declared in this scope
             for(int j = 1; j <= l / j; j++) swap(s[0], s[j]), s[j]++;
                                 ^