Compilare: main.cpp: In function 'int main()': main.cpp:19:25: warning: unused variable 's' [-Wunused-variable] int n, i, q, k, t, c, s; ^ main.cpp:20:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &n); ^ main.cpp:22:44: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &cul[i], &cost[i]); ^ main.cpp:24:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &q); ^ main.cpp:26:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &k, &t); ^