/in/foo.cc: In function 'int sanpai()':
/in/foo.cc:85:18: warning: iteration 13 invokes undefined behavior [-Waggressive-loop-optimizations]
         if(temp[i]==4) temp[i]-=4,ret++;
            ~~~~~~^
/in/foo.cc:84:27: note: within this loop
     for(register int i=1;i<=14;i++){
                          ~^~~~
/in/foo.cc:70:18: warning: iteration 13 invokes undefined behavior [-Waggressive-loop-optimizations]
         if(temp[i]>=3){
            ~~~~~~^
/in/foo.cc:69:27: note: within this loop
     for(register int i=1;i<=14;i++){
                          ~^~~~
/in/foo.cc:57:22: warning: iteration 13 invokes undefined behavior [-Waggressive-loop-optimizations]
             if(temp[i]==4){
                ~~~~~~^
/in/foo.cc:56:31: note: within this loop
         for(register int i=1;i<=14;i++){
                              ~^~~~
/in/foo.cc:40:22: warning: iteration 13 invokes undefined behavior [-Waggressive-loop-optimizations]
             if(temp[i]==4){
                ~~~~~~^
/in/foo.cc:39:31: note: within this loop
         for(register int i=1;i<=14;i++){
                              ~^~~~
/in/foo.cc:23:22: warning: iteration 13 invokes undefined behavior [-Waggressive-loop-optimizations]
             if(temp[i]==4){
                ~~~~~~^
/in/foo.cc:22:31: note: within this loop
         for(register int i=1;i<=14;i++){
                              ~^~~~
/in/foo.cc:20:44: warning: iteration 13 invokes undefined behavior [-Waggressive-loop-optimizations]
     for(register int i=1;i<=14;i++) temp[i]=card[i];
                                     ~~~~~~~^~~~~~~~
/in/foo.cc:20:27: note: within this loop
     for(register int i=1;i<=14;i++) temp[i]=card[i];
                          ~^~~~