View Compilation Error

0_0_37652279_19984.cpp: In function 'void init()':
0_0_37652279_19984.cpp:31:9: error: 'i' was not declared in this scope
     rep(i, 2, 2000010)
         ^
0_0_37652279_19984.cpp:31:22: error: 'rep' was not declared in this scope
     rep(i, 2, 2000010)
                      ^
0_0_37652279_19984.cpp: In function 'int main()':
0_0_37652279_19984.cpp:42:9: error: 'sd' was not declared in this scope
     sd(t);
         ^
0_0_37652279_19984.cpp:48:19: error: 'read' was not declared in this scope
         na = read();
                   ^
0_0_37652279_19984.cpp:49:13: error: 'i' was not declared in this scope
         rep(i, 1, na)
             ^
0_0_37652279_19984.cpp:49:21: error: 'rep' was not declared in this scope
         rep(i, 1, na)
                     ^
0_0_37652279_19984.cpp:70:22: error: 'write' was not declared in this scope
         write(mp[res]);
                      ^