View Compilation Error

0_0_22444615_1571.cpp: In function 'int main()':
0_0_22444615_1571.cpp:10:5: error: expected initializer before 'scanf'
     scanf("%d",&t);
     ^
0_0_22444615_1571.cpp:13:27: error: 'm' was not declared in this scope
         scanf("%d %d",&n,&m);
                           ^