Submission #23176829

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define ll long long
int n;
ll x[1010],y[1010],cnt[2];
vector<ll> p;
main() {
	scanf("%d",&n);
	for(int i=1;i<=n;i++) {
		scanf("%lld %lld",&x[i],&y[i]);
		cnt[(x[i]+y[i])%2]++;
	}
	if(cnt[0]&&cnt[1]) {
		puts("-1");
		return 0;
	}
	for(int i=31;i>=0;i--) p.push_back(1ll<<i);
	if(cnt[0]) p.push_back(1);
	printf("%d\n",p.size());
	for(auto i:p) printf("%lld ",i);
	puts("");
	for(int i=1;i<=n;i++) {
		for(auto j:p) {
			if(abs(x[i])>abs(y[i])) {
				putchar(x[i]<0?'L':'R');
				if(x[i]<0) x[i]+=j;
				else x[i]-=j;
			}
			else {
				putchar(y[i]<0?'D':'U');
				if(y[i]<0) y[i]+=j;
				else y[i]-=j;
			}
		}
		puts("");
	}
}

Submission Info

Compile Error

./Main.cpp:7:6: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type]
    7 | main() {
      |      ^
./Main.cpp: In function ‘int main()’:
./Main.cpp:19:11: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘std::vector<long long int>::size_type’ {aka ‘long unsigned int’} [-Wformat=]
   19 |  printf("%d\n",p.size());
      |          ~^    ~~~~~~~~
      |           |          |
      |           int        std::vector<long long int>::size_type {aka long unsigned int}
      |          %ld
./Main.cpp:8:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    8 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
./Main.cpp:10:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   10 |   scanf("%lld %lld",&x[i],&y[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Judge Result