View Compilation Error

0_0_17854865_16410.cpp: In function 'int main()':
0_0_17854865_16410.cpp:58:3: error: expected ';' before 'for'
   for(int i = 0; i < M; i++) {
   ^
0_0_17854865_16410.cpp:58:18: error: 'i' was not declared in this scope
   for(int i = 0; i < M; i++) {
                  ^