Compilare: main.cpp: In function 'int grad(char*)': main.cpp:26:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < strlen(ecuatie); ++i) ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int nextInt(FILE*)': main.cpp:14:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &x); ^ main.cpp: In function 'bool cautare_binara(int, int, int)': main.cpp:78:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:83:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &N, &K); ^ main.cpp:91:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s", &ec[0]); ^