ho_t1.cpp: In function 'int main()':
ho_t1.cpp:50:9: warning: unused variable 'ma' [-Wunused-variable]
50 | int ma = 0;
| ^~
ho_t1.cpp: In function 'void usaco()':
ho_t1.cpp:30:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
30 | freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ho_t1.cpp: In function 'int main()':
ho_t1.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
5 | #define scd(t) scanf("%d", &t)
| ~~~~~^~~~~~~~~~
ho_t1.cpp:37:5: note: in expansion of macro 'scd'
37 | scd(n);
| ^~~
ho_t1.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
5 | #define scd(t) scanf("%d", &t)
| ~~~~~^~~~~~~~~~
ho_t1.cpp:41:9: note: in expansion of macro 'scd'
41 | scd(vec[i].f);
| ^~~
ho_t1.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
5 | #define scd(t) scanf("%d", &t)
| ~~~~~^~~~~~~~~~
ho_t1.cpp:47:18: note: in expansion of macro 'scd'
47 | frange(i, n) scd(sz[i]);
| ^~~