foo.cc:26:39: warning: bad option '-fwhole-program' to pragma 'optimize' [-Wpragmas]
 #pragma GCC optimize("-fwhole-program")
                                       ^
foo.cc:35:41: warning: bad option '-fcse-skip-blocks' to pragma 'optimize' [-Wpragmas]
 #pragma GCC optimize("-fcse-skip-blocks")
                                         ^
foo.cc:49:51: warning: bad option '-funsafe-loop-optimizations' to pragma 'optimize' [-Wpragmas]
 #pragma GCC optimize("-funsafe-loop-optimizations")
                                                   ^
foo.cc:62:18: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
 inline void init(){//读入 
                  ^
foo.cc:62:18: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
foo.cc:62:18: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
foo.cc:82:69: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
 inline unsigned long long search(int l,int r,unsigned long long flag){//flag=base^(r-l+1) 
                                                                     ^
foo.cc:82:69: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
foo.cc:82:69: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
foo.cc:85:19: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
 inline void workk(){//对应n>m的情况 
                   ^
foo.cc:85:19: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
foo.cc:85:19: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
foo.cc: In function 'void workk()':
foo.cc:93:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(register int i=1;i<dl[0];i++){//在multiset中找一下 
                          ~^~~~~~
foo.cc: At global scope:
foo.cc:99:20: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
 inline void workk2(){//对于n=m的情况，与上面类比 
                    ^
foo.cc:99:20: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
foo.cc:99:20: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
foo.cc: In function 'void workk2()':
foo.cc:105:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(register int i=1;i<dl[0];i++){
                          ~^~~~~~
foo.cc: At global scope:
foo.cc:111:10: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
 int main(){
          ^
foo.cc:111:10: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
foo.cc:111:10: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
foo.cc: In function 'void init()':
foo.cc:63:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d%d",&ts,&tt,&n,&m);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

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