semiexpress.cpp: In function 'int main()':
semiexpress.cpp:17:27: warning: unused variable 'x' [-Wunused-variable]
17 | long long N,M,K,a,b,c,x,y,z,t,ans=0,con=0,now=0,i;
| ^
semiexpress.cpp:17:29: warning: unused variable 'y' [-Wunused-variable]
17 | long long N,M,K,a,b,c,x,y,z,t,ans=0,con=0,now=0,i;
| ^
semiexpress.cpp:17:31: warning: unused variable 'z' [-Wunused-variable]
17 | long long N,M,K,a,b,c,x,y,z,t,ans=0,con=0,now=0,i;
| ^
semiexpress.cpp:17:47: warning: unused variable 'now' [-Wunused-variable]
17 | long long N,M,K,a,b,c,x,y,z,t,ans=0,con=0,now=0,i;
| ^~~
semiexpress.cpp:16:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
16 | freopen("01-07.txt","rt",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
semiexpress.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
18 | scanf("%lld %lld %lld",&N,&M,&K);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
semiexpress.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
19 | scanf("%lld %lld %lld",&a,&b,&c);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
semiexpress.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
20 | scanf("%lld",&t);
| ~~~~~^~~~~~~~~~~
semiexpress.cpp:23:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
23 | scanf("%lld",&all[i]);
| ~~~~~^~~~~~~~~~~~~~~~