0_0_34197459_11416.cpp:3:1: error: 'll' does not name a type
ll cross(ll xe,ll ye,ll x2,ll y2) {
^
0_0_34197459_11416.cpp: In function 'int main()':
0_0_34197459_11416.cpp:9:9: error: 'll' was not declared in this scope
ll xe, ye, x2, y2, x3, y3;
^
0_0_34197459_11416.cpp:10:44: error: 'xe' was not declared in this scope
scanf("%lld%lld%lld%lld%lld%lld", &xe, &ye, &x2, &y2, &x3, &y3);
^
0_0_34197459_11416.cpp:10:49: error: 'ye' was not declared in this scope
scanf("%lld%lld%lld%lld%lld%lld", &xe, &ye, &x2, &y2, &x3, &y3);
^
0_0_34197459_11416.cpp:10:54: error: 'x2' was not declared in this scope
scanf("%lld%lld%lld%lld%lld%lld", &xe, &ye, &x2, &y2, &x3, &y3);
^
0_0_34197459_11416.cpp:10:59: error: 'y2' was not declared in this scope
scanf("%lld%lld%lld%lld%lld%lld", &xe, &ye, &x2, &y2, &x3, &y3);
^
0_0_34197459_11416.cpp:10:64: error: 'x3' was not declared in this scope
scanf("%lld%lld%lld%lld%lld%lld", &xe, &ye, &x2, &y2, &x3, &y3);
^
0_0_34197459_11416.cpp:10:69: error: 'y3' was not declared in this scope
scanf("%lld%lld%lld%lld%lld%lld", &xe, &ye, &x2, &y2, &x3, &y3);
^
0_0_34197459_11416.cpp:11:52: error: 'cross' was not declared in this scope
if(cross(x2 - xe, y2 - ye, x3 - xe, y3 - ye) > 0) {
^
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