View Compilation Error

0_0_17748740_29284.cpp: In function 'void solve(int)':
0_0_17748740_29284.cpp:15:1: error: expected ')' before '{' token
 {
 ^
0_0_17748740_29284.cpp:26:2: error: 'a' was not declared in this scope
  a = v2*v2 - v1*v1, b = -600 * v2, c = 2 * 300 * 300;
  ^
0_0_17748740_29284.cpp:26:21: error: 'b' was not declared in this scope
  a = v2*v2 - v1*v1, b = -600 * v2, c = 2 * 300 * 300;
                     ^
0_0_17748740_29284.cpp:26:36: error: 'c' was not declared in this scope
  a = v2*v2 - v1*v1, b = -600 * v2, c = 2 * 300 * 300;
                                    ^
0_0_17748740_29284.cpp:27:2: error: 'dt' was not declared in this scope
  dt = b*b - 4 * a*c;
  ^