Eroare de compilare: main.cpp: In function 'int main()': main.cpp:54:12: error: expected unqualified-id before '[' token auto [a, b] = evs[i]; ^ main.cpp: In lambda function: main.cpp:56:31: error: 'a' was not declared in this scope return cross(P[i] - P[a], P[j] - P[a]) > 0; ^ main.cpp: In function 'int main()': main.cpp:58:55: error: 'b' was not declared in this scope int x = lower_bound(order.begin(), order.end(), b, cmp) - order.begin(); ^ main.cpp:61:12: error: 'a' was not declared in this scope ans[(a - n) / 2] = {x, y}; ^ main.cpp:66:14: error: expected unqualified-id before '[' token auto [a, b] = evs[k]; ^ main.cpp:67:9: error: 'a' was not declared in this scope a = pos[a]; b = pos[b]; ^ main.cpp:67:21: error: 'b' was not declared in this scope a = pos[a]; b = pos[b]; ^ main.cpp:72:14: error: expected unqualified-id before '[' token auto [a, b] = evs[k]; ^ main.cpp:73:9: error: 'a' was not declared in this scope a = pos[a]; b = pos[b]; ^ main.cpp:73:21: error: 'b' was not declared in this scope a = pos[a]; b = pos[b]; ^ Non zero exit status: 1