Compilare: main.cpp: In function 'int main()': main.cpp:141:5: warning: variable 'ok1' set but not used [-Wunused-but-set-variable] int ok1=0,ok2=0; ^~~ main.cpp:141:11: warning: variable 'ok2' set but not used [-Wunused-but-set-variable] int ok1=0,ok2=0; ^~~ main.cpp:198:42: warning: operation on 'poz' may be undefined [-Wsequence-point] else {printf("%d %d\n",pozitie[st[poz--]].x,pozitie[st[poz]].y); ~~~^~ main.cpp:122:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cartite.in","r",stdin); ^ main.cpp:123:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cartite.out","w",stdout); ^ main.cpp:124:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&p); ^ main.cpp:125:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ main.cpp:126:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&cx,&cy); ^ main.cpp:127:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ main.cpp:131:47: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&uu[i].x,&uu[i].y,&uu[i].tip); ^ main.cpp:135:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&ww); ^ main.cpp:137:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&ax1,&ay1,&ax2,&ay2); ^