Compilare: main.cpp: In function 'int main()': main.cpp:21:18: warning: unused variable 'l' [-Wunused-variable] int n, m, t, l, i, j, c, st, dr, r, k, mij; ^ main.cpp:21:38: warning: variable 'r' set but not used [-Wunused-but-set-variable] int n, m, t, l, i, j, c, st, dr, r, k, mij; ^ main.cpp:21:41: warning: unused variable 'k' [-Wunused-variable] int n, m, t, l, i, j, c, st, dr, r, k, mij; ^ main.cpp:24:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d ", &n, &m); ^ main.cpp:42:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &t); ^ main.cpp:46:40: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &cuv[i]); ^