foo.cc:28:39: warning: bad option '-fwhole-program' to pragma 'optimize' [-Wpragmas]
   28 | #pragma GCC optimize("-fwhole-program")
      |                                       ^
foo.cc:35:41: warning: bad option '-fstrict-overflow' to pragma 'optimize' [-Wpragmas]
   35 | #pragma GCC optimize("-fstrict-overflow")
      |                                         ^
foo.cc:37:41: warning: bad option '-fcse-skip-blocks' to pragma 'optimize' [-Wpragmas]
   37 | #pragma GCC optimize("-fcse-skip-blocks")
      |                                         ^
foo.cc:51:51: warning: bad option '-funsafe-loop-optimizations' to pragma 'optimize' [-Wpragmas]
   51 | #pragma GCC optimize("-funsafe-loop-optimizations")
      |                                                   ^
foo.cc:68:27: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   68 | inline int Min(int x,int y){
      |                           ^
foo.cc:68:27: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
foo.cc:68:27: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
foo.cc:68:27: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
foo.cc:71:27: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   71 | inline int Max(int x,int y){
      |                           ^
foo.cc:71:27: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
foo.cc:71:27: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
foo.cc:71:27: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
foo.cc:74:27: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
   74 | inline bool check(dian old){
      |                           ^
foo.cc:74:27: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
foo.cc:74:27: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
foo.cc:74:27: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
foo.cc:120:10: warning: bad option '-fwhole-program' to attribute 'optimize' [-Wattributes]
  120 | int main(){
      |          ^
foo.cc:120:10: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes]
foo.cc:120:10: warning: bad option '-fcse-skip-blocks' to attribute 'optimize' [-Wattributes]
foo.cc:120:10: warning: bad option '-funsafe-loop-optimizations' to attribute 'optimize' [-Wattributes]
foo.cc: In function 'int main()':
foo.cc:122:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  122 |  scanf("%d%d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~
foo.cc:124:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  124 |   scanf("%s",str[i]+1);
      |   ~~~~~^~~~~~~~~~~~~~~

正在同步测试数据，请稍后
[Hydro](https://hydro.ac)提供评测服务