View Compilation Error

0_0_29705734_1500.cpp: In function 'int main()':
0_0_29705734_1500.cpp:29:32: error: 'r' was not declared in this scope
             scanf("%d%d%d",&l,&r,&w) ;
                                ^
0_0_29705734_1500.cpp:50:13: error: 'i' was not declared in this scope
         for(i = 1 ; i < m ; i++) {//i是此时的二进制状态
             ^
0_0_29705734_1500.cpp:51:17: error: 'j' was not declared in this scope
             for(j = 0 ; j < n ; j++) {//j是此时的点
                 ^
0_0_29705734_1500.cpp:53:21: error: 'k' was not declared in this scope
                 for(k = 0 ; k < n ; k++) {//k是想要到达的下一个点
                     ^
0_0_29705734_1500.cpp:63:13: error: 'i' was not declared in this scope
         for(i = 0 ; i < n ; i++) {
             ^