Compilare: main.cpp: In function 'int main()': main.cpp:53:82: warning: unused variable 'steag1' [-Wunused-variable] long long xci, yci, xcj, ycj, xd, yd, centrux, centruy, vectorx, vectory , steag1, steag2; ^~~~~~ main.cpp:53:90: warning: unused variable 'steag2' [-Wunused-variable] long long xci, yci, xcj, ycj, xd, yd, centrux, centruy, vectorx, vectory , steag1, steag2; ^~~~~~ main.cpp:54:10: warning: variable 'c' set but not used [-Wunused-but-set-variable] char c; ^ main.cpp:61:21: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &n); ^ main.cpp:64:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d.%d", &g1, &g2); ^ main.cpp:71:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, " %d.%d", &g1, &g2); ^