Borderou de evaluare (job #583721)

Eroare de compilare: main.cpp: In function 'int readInt()': main.cpp:22:11: error: 'isspace' was not declared in this scope 22 | while ( isspace( ch = readChar() ) ); | ^~~~~~~ main.cpp:29:11: error: 'isdigit' was not declared in this scope 29 | while ( isdigit( ch = readChar() ) ); | ^~~~~~~ main.cpp: In function 'int main()': main.cpp:68:13: warning: unused variable 'sol' [-Wunused-variable] 68 | int n, i, sol, ind, x, len, frcur, frlast, last, nrg; | ^~~ main.cpp:68:18: warning: unused variable 'ind' [-Wunused-variable] 68 | int n, i, sol, ind, x, len, frcur, frlast, last, nrg; | ^~~ main.cpp:68:23: warning: unused variable 'x' [-Wunused-variable] 68 | int n, i, sol, ind, x, len, frcur, frlast, last, nrg; | ^ main.cpp:68:26: warning: unused variable 'len' [-Wunused-variable] 68 | int n, i, sol, ind, x, len, frcur, frlast, last, nrg; | ^~~