dishes.cpp:32:40: warning: bad option '-funroll-lopps' to pragma 'optimize' [-Wpragmas]
32 | #pragma GCC optimize ("03,unroll-lopps")
| ^
dishes.cpp:39:23: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
39 | void setIO(string name){
| ^
dishes.cpp:47:27: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
47 | int getbound(int x,int add){
| ^
dishes.cpp:56:14: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
56 | int32_t main(){
| ^
dishes.cpp: In function 'int32_t main()':
dishes.cpp:81:12: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
81 | while(cur<gap.size()&&gap[cur].f<v2[j].f){
| ~~~^~~~~~~~~~~
dishes.cpp: In function 'void setIO(std::string)':
dishes.cpp:41:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
41 | freopen((name+".in").c_str(),"r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dishes.cpp:42:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
42 | freopen((name+".out").c_str(),"w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~