Eroare de compilare: main.cpp: In function 'int main()': main.cpp:140:5: error: 'random_device' was not declared in this scope random_device rd; ^~~~~~~~~~~~~ main.cpp:141:5: error: 'mt19937' was not declared in this scope mt19937 gen(rd()); ^~~~~~~ main.cpp:154:55: error: 'gen' was not declared in this scope root = insert(root,j,new treap(k,(int)gen(),nill,nill,1,0)); ^ main.cpp:145:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d\n",&n,&t); ^ main.cpp:150:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%c ",&op); ^ main.cpp:153:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d\n",&j,&k); ^ main.cpp:157:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d\n",&j); ^ main.cpp:161:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d\n",&j,&k); ^ main.cpp:165:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d\n",&j,&k); ^ Non zero exit status: 1