View Compilation Error

0_0_30471004_21815.cpp: In function 'int get_k(int, int, int)':
0_0_30471004_21815.cpp:78:13: error: expected ')' before 'R'
             R = mid;
             ^
0_0_30471004_21815.cpp:78:20: error: expected ')' before ';' token
             R = mid;
                    ^
0_0_30471004_21815.cpp: In function 'int main()':
0_0_30471004_21815.cpp:255:66: error: expected ';' at end of input
                     ans = des[t3 - 1] * 1ll + des[t2 - 1] * 1ll %2
                                                                  ^
0_0_30471004_21815.cpp:255:66: error: expected '}' at end of input
0_0_30471004_21815.cpp:255:66: error: expected '}' at end of input
0_0_30471004_21815.cpp:255:66: error: expected '}' at end of input
0_0_30471004_21815.cpp:255:66: error: expected '}' at end of input
0_0_30471004_21815.cpp:255:66: error: expected '}' at end of input