Compilare: main.cpp: In function 'bool add(elev, elev*, bool)': main.cpp:89:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:93:42: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(IN, "%d %d %d", &type, &n, &m); ^ main.cpp:96:37: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(IN, "%d", &ans1[i].r); ^ main.cpp:99:37: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(IN, "%d", &ans2[i].u); ^ main.cpp:103:46: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(IN, "%d %d", &v[i].r, &v[i].u); ^