Compilare: main.cpp: In function 'void scanare(FILE*)': main.cpp:10:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lld%lld", &n, &m); ^ main.cpp:11:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lld%lld%lld", &a, &b, &c); ^ main.cpp: In function 'int main()': main.cpp:93:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &T); ^ main.cpp: In function 'void divseg()': main.cpp:71:26: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized] is[is[0][0]][1] = index + 1; ~~~~~~^~~