/in/foo.cc: In function 'int sanpai()':
/in/foo.cc:86:18: warning: iteration 13 invokes undefined behavior [-Waggressive-loop-optimizations]
         if(temp[i]==4) temp[i]-=4,ret++;
            ~~~~~~^
/in/foo.cc:85:18: note: within this loop
     for(int i=1;i<=14;i++){
                 ~^~~~
/in/foo.cc:71:18: warning: iteration 13 invokes undefined behavior [-Waggressive-loop-optimizations]
         if(temp[i]>=3){
            ~~~~~~^
/in/foo.cc:70:18: note: within this loop
     for(int i=1;i<=14;i++){
                 ~^~~~
/in/foo.cc:58:22: warning: iteration 13 invokes undefined behavior [-Waggressive-loop-optimizations]
             if(temp[i]==4){
                ~~~~~~^
/in/foo.cc:57:22: note: within this loop
         for(int i=1;i<=14;i++){
                     ~^~~~
/in/foo.cc:41:22: warning: iteration 13 invokes undefined behavior [-Waggressive-loop-optimizations]
             if(temp[i]==4){
                ~~~~~~^
/in/foo.cc:40:22: note: within this loop
         for(int i=1;i<=14;i++){
                     ~^~~~
/in/foo.cc:24:22: warning: iteration 13 invokes undefined behavior [-Waggressive-loop-optimizations]
             if(temp[i]==4){
                ~~~~~~^
/in/foo.cc:23:22: note: within this loop
         for(int i=1;i<=14;i++){
                     ~^~~~
/in/foo.cc:21:35: warning: iteration 13 invokes undefined behavior [-Waggressive-loop-optimizations]
     for(int i=1;i<=14;i++) temp[i]=card[i];
                            ~~~~~~~^~~~~~~~
/in/foo.cc:21:18: note: within this loop
     for(int i=1;i<=14;i++) temp[i]=card[i];
                 ~^~~~