Compilare: main.cpp: In function 'int main()': main.cpp:31:30: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'int' [-Wformat=] fscanf(fin, "%d %d", n, m); ^ main.cpp:31:30: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'int' [-Wformat=] main.cpp:42:31: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'int' [-Wformat=] fscanf(fin, "%d", a[i]); ^ main.cpp:48:35: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'int' [-Wformat=] fscanf(fin, "%d %d", x, xa); ^ main.cpp:48:35: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'int' [-Wformat=] main.cpp:50:33: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'int' [-Wformat=] fscanf(fin, "%d", xb); ^ main.cpp:31:31: 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:42:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", a[i]); ^ main.cpp:48:36: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", x, xa); ^ main.cpp:50:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", xb); ^ main.cpp:48:36: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] fscanf(fin, "%d %d", x, xa); ^ main.cpp:50:34: warning: 'xb' may be used uninitialized in this function [-Wmaybe-uninitialized] fscanf(fin, "%d", xb); ^ main.cpp:53:24: warning: 'xa' may be used uninitialized in this function [-Wmaybe-uninitialized] for(xa = pn+xa-1; xa > 0; xa /= 2) ~~^~~