Compilare: user.cpp: In function ‘int main()’: user.cpp:34:9: warning: unused variable ‘j’ [-Wunused-variable] int i, j, k,n,m,x,y,t,maxim=0; ^ user.cpp:34:12: warning: unused variable ‘k’ [-Wunused-variable] int i, j, k,n,m,x,y,t,maxim=0; ^ user.cpp:34:18: warning: unused variable ‘x’ [-Wunused-variable] int i, j, k,n,m,x,y,t,maxim=0; ^ user.cpp:34:20: warning: unused variable ‘y’ [-Wunused-variable] int i, j, k,n,m,x,y,t,maxim=0; ^ user.cpp:36:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("teme.in", "r", stdin); ^ user.cpp:37:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("teme.out", "w", stdout); ^ user.cpp:46:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &v[i].durata, &v[i].deadline); ^