mountain.cpp:3:17: error: 'sstd' is not a namespace-name
3 | using namespace sstd;
| ^~~~
mountain.cpp:7:6: error: variable or field 'sub' declared void
7 | void sub(x1, x2, y1, y2, cx, cy, dx, dy){
| ^~~
mountain.cpp:7:10: error: 'x1' was not declared in this scope; did you mean 'x_'?
7 | void sub(x1, x2, y1, y2, cx, cy, dx, dy){
| ^~
| x_
mountain.cpp:7:14: error: 'x2' was not declared in this scope; did you mean 'x_'?
7 | void sub(x1, x2, y1, y2, cx, cy, dx, dy){
| ^~
| x_
mountain.cpp:7:22: error: 'y2' was not declared in this scope; did you mean 'yn'?
7 | void sub(x1, x2, y1, y2, cx, cy, dx, dy){
| ^~
| yn
mountain.cpp:7:26: error: 'cx' was not declared in this scope
7 | void sub(x1, x2, y1, y2, cx, cy, dx, dy){
| ^~
mountain.cpp:7:30: error: 'cy' was not declared in this scope
7 | void sub(x1, x2, y1, y2, cx, cy, dx, dy){
| ^~
mountain.cpp:7:34: error: 'dx' was not declared in this scope
7 | void sub(x1, x2, y1, y2, cx, cy, dx, dy){
| ^~
mountain.cpp:7:38: error: 'dy' was not declared in this scope
7 | void sub(x1, x2, y1, y2, cx, cy, dx, dy){
| ^~
mountain.cpp: In function 'void Rescue(int, int, int, int, int)':
mountain.cpp:19:2: error: '_x' was not declared in this scope; did you mean 'x'?
19 | _x = x;
| ^~
| x
mountain.cpp:20:2: error: 'sub' was not declared in this scope; did you mean 'fsub'?
20 | sub(1, rs, 1, cs, 1, cs, 1, -1);
| ^~~
| fsub