joi2019_ho_t2.cpp: In function 'int solve(int, int)':
joi2019_ho_t2.cpp:34:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:38:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d", &n, &m);
~~~~~^~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:41:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d", &a[i].s, &a[i].v);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:44:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &c[i]);
~~~~~^~~~~~~~~~~~~