Compilare: main.cpp: In function 'int main()': main.cpp:28:9: warning: unused variable 'nrg' [-Wunused-variable] int nrg = -1, top1 = 0, top2 = 0; ^~~ main.cpp:22:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &n, &t, &k, &m); ^ main.cpp:24:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &p[i].a); ^ main.cpp:26:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &p[i].b); ^