Compilare: main.cpp: In function 'void Rmq_init(int)': main.cpp:35:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (i = 0 ; i + (1 << j) - 1 < n ; i++ ) ^~~ main.cpp:37:7: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if (deuler[rmq[j-1][i]] > deuler[rmq[j-1][i+(1<<(j-1))]] ) ^~ main.cpp: In function 'int main()': main.cpp:78:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < eu.size() ; i++ ) { ~~^~~~~~~~~~~ main.cpp:84:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < eu.size() ; i++ ) { ~~^~~~~~~~~~~ main.cpp:70:28: warning: unused variable 'k' [-Wunused-variable] int n, i, tata, m, a, b, k ; ^ main.cpp:71:33: 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:73:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &tata ) ; ^ main.cpp:91:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &a, &b ) ; ^