Compilare: main.cpp: In function 'void rmq()': main.cpp:17:32: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] if(d[0][i][p-1]<d[0][i+(1<<p-1)][p-1]){ ~^~ main.cpp:22:28: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] d[0][i][p]=d[0][i+(1<<p-1)][p-1]; ~^~ main.cpp:23:28: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] d[1][i][p]=d[1][i+(1<<p-1)][p-1]; ~^~ main.cpp: In function 'void dfs(int, int)': main.cpp:35:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<g[nod].size(); i++){ ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:64:8: warning: statement has no effect [-Wunused-value] for(m; m>0; m--){ ^ main.cpp:46:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ main.cpp:48:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &a); ^ main.cpp:65:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &a, &b); ^