Compilare: user.cpp: In function ‘void dynamic_programming()’: user.cpp:32:50: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(dp[i+1]>dp[i]+1 ||dp[i+1] == dp[i]+1 && cost[i+1]>cost[i]){ ^ user.cpp:37:60: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(dp[i+j] > dp[i] + 1 || dp[i+j] == dp[i] + 1 && cost[i+j] >cost[i]){ ^ user.cpp:43:59: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(dp[i+2*j]>dp[i]+1 || dp[i+2*j] == dp[i] + 1 && cost[i+2*j]> cost[i]+j){ ^ user.cpp: In function ‘void read()’: user.cpp:12:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&n ); ^ user.cpp:16:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&k ); ^ user.cpp:18:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d ",&x ,&y ); ^ user.cpp:21:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&l ); ^ user.cpp:23:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d ",&x ,&y ); ^ user.cpp: In function ‘int main()’: user.cpp:53:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("scara3.in","r",stdin); ^ user.cpp:54:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("scara3.out","w",stdout); ^