Compilare: main.cpp: In function 'int solve(int, int)': main.cpp:14:24: warning: unused variable 'cc' [-Wunused-variable] int i = 1, dt = 0, cc, sol = 0, psa = 0, psn = 0; ^~ main.cpp: In function 'int main()': main.cpp:51:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &n); ^ main.cpp:52:70: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(int i = 1; i <= n; i++) fscanf(f, "%d%d", &a[i][0], &a[i][1]); ^ main.cpp:54:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &q); ^ main.cpp:56:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &k, &t); ^