运行 ID: 29800

Main.cc: In function ‘int main()’:
Main.cc:27:12: error: missing template arguments before ‘left’
     vector left(n, 1LL), right(n, 1LL);
            ^~~~
Main.cc:35:24: warning: pointer to a function used in arithmetic [-Wpointer-arith]
                 right[j] = (right[j] + left[i]) % MOD;
                        ^
Main.cc:35:36: warning: pointer to a function used in arithmetic [-Wpointer-arith]
                 right[j] = (right[j] + left[i]) % MOD;
                                    ^
Main.cc:35:46: warning: pointer to a function used in arithmetic [-Wpointer-arith]
                 right[j] = (right[j] + left[i]) % MOD;
                                              ^
Main.cc:35:38: error: invalid operands of types ‘std::ios_base&(std::ios_base&)’ and ‘std::ios_base&(std::ios_base&)’ to binary ‘operator+’
                 right[j] = (right[j] + left[i]) % MOD;
                             ~~~~~~~~~^~~~~~~~~
Main.cc:37:23: warning: pointer to a function used in arithmetic [-Wpointer-arith]
                 left[i] = (right[j] + left[i]) % MOD;
                       ^
Main.cc:37:35: warning: pointer to a function used in arithmetic [-Wpointer-arith]
                 left[i] = (right[j] + left[i]) % MOD;
                                   ^
Main.cc:37:45: warning: pointer to a function used in arithmetic [-Wpointer-arith]
                 left[i] = (right[j] + left[i]) % MOD;
                                             ^
Main.cc:37:37: error: invalid operands of types ‘std::ios_base&(std::ios_base&)’ and ‘std::ios_base&(std::ios_base&)’ to binary ‘operator+’
                 left[i] = (right[j] + left[i]) % MOD;
                            ~~~~~~~~~^~~~~~~~~
Main.cc:44:28: warning: pointer to a function used in arithmetic [-Wpointer-arith]
         ans = (ans + left[i] + right[i]) % MOD;
                            ^
Main.cc:44:20: warning: pointer to a function used in arithmetic [-Wpointer-arith]
         ans = (ans + left[i] + right[i]) % MOD;
                ~~~~^~~~~~~~~
Main.cc:44:39: warning: pointer to a function used in arithmetic [-Wpointer-arith]
         ans = (ans + left[i] + right[i]) % MOD;
                                       ^
Main.cc:44:30: error: invalid operands of types ‘std::ios_base& (*)(std::ios_base&)’ and ‘std::ios_base&(std::ios_base&)’ to binary ‘operator+’
         ans = (ans + left[i] + right[i]) % MOD;
                ~~~~~~~~~~~~~~^~~~~~~~~~