Compilare: main.cpp: In function 'int main()': main.cpp:7:33: warning: unused variable 'x' [-Wunused-variable] int n, m, i, j, min1, min2, x; ^ main.cpp:9:10: warning: unused variable 'c' [-Wunused-variable] char c; ^ main.cpp:13:27: 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:15:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &v[j]); ^ main.cpp:20:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &v[j]); ^