Compilare: user.cpp:3:16: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define MAXN 1 << 10 ^ user.cpp:5:8: note: in expansion of macro ‘MAXN’ bool g[MAXN + 1], u[MAXN + 1], s[MAXN + 1], d[MAXN + 1]; ^ user.cpp:3:16: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define MAXN 1 << 10 ^ user.cpp:5:21: note: in expansion of macro ‘MAXN’ bool g[MAXN + 1], u[MAXN + 1], s[MAXN + 1], d[MAXN + 1]; ^ user.cpp:3:16: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define MAXN 1 << 10 ^ user.cpp:5:34: note: in expansion of macro ‘MAXN’ bool g[MAXN + 1], u[MAXN + 1], s[MAXN + 1], d[MAXN + 1]; ^ user.cpp:3:16: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define MAXN 1 << 10 ^ user.cpp:5:47: note: in expansion of macro ‘MAXN’ bool g[MAXN + 1], u[MAXN + 1], s[MAXN + 1], d[MAXN + 1]; ^ user.cpp: In function ‘int main()’: user.cpp:11:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ user.cpp:16:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &k); ^ user.cpp:21:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^ user.cpp:25:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^ user.cpp:28:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &t); ^