Compilare: main.cpp: In function 'int main()': main.cpp:30:10: warning: unused variable 'j' [-Wunused-variable] int i, j; ^ main.cpp:26:20: warning: unused variable 'x' [-Wunused-variable] int t, n, m, cod, x; ^ main.cpp:27:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(pfin, "%d", &t); ^ main.cpp:31:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(pfin, "%d", &n); ^ main.cpp:34:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(pfin, "%d", &v[i]); ^ main.cpp:35:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(pfin, "%d", &m); ^ main.cpp:38:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(pfin, "%d", &cod); ^ main.cpp:42:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(pfin, "%d%d", &b, &d); ^ main.cpp:48:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(pfin, "%d%d", &x, &b); ^ main.cpp:54:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(pfin, "%d%d", &x, &b); ^ main.cpp:60:41: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(pfin, "%d%d%d", &x, &b1, &b2); ^