Submission #168893

#	Time	Username	Problem	Language	Result	Execution time	Memory
168893		abil	Experiments with Gorlum (IZhO13_expgorl)	C++14	0 / 100	12 ms	256 KiB

expgorl

#include <bits/stdc++.h>

#define fr first
#define sc second
#define pb push_back
#define mk make_pair
#define all(s) s.begin(),s.end()
//#define int long long

using namespace std;

const int N = (1e6 + 12);
const int mod = (1e9 + 7);
const int INF = (0x3f3f3f3f);

int lx, ly;

double dist(double x, double y){
	return sqrt((x - lx) * (x - lx) + (y - ly) * (y - ly)); 
}

double dist1(double x, double y, double xx, double yy){
	return sqrt((x - xx) * (x - xx) + (y - yy) * (y - yy)); 
}

bool check(double x, double y, double xx, double yy){
	return dist(xx, yy) >= dist1(xx, yy, x, y);
}
main()
{
	int k;
	string s;
	scanf("%d", &k);
	cin >> s;
	double gx, gy;
	cin >> lx >> ly;
	cin >> gx >> gy;
	double inx = gx, iny = gy;
	double ansmin = dist(gx, gy), ansmax = dist(gx, gy);
	double ans1 = ansmin, ans2 = ansmax, lastx, lasty;
	lastx = gx, lasty = gy;
	for(int j = 0;j < s.size(); j++){
		if(s[j] == 'L'){
			gx--;
		}
		else
		if(s[j] == 'R'){
			gx++;
		}
		else
		if(s[j] == 'F'){
			gy++;
		}
		else
		if(s[j] == 'B'){
			gy--;
		}
		lastx = gx;
		lasty = gx;
	}
	ans1 = min(ans1, dist(lastx, lasty));
	if(ans1 == ansmin){
		gx = inx, gy = iny;
		for(int i = 0;i < min(1000, k); i++){
			for(int j = 0;j < s.size(); j++){
				if(s[j] == 'L'){
					gx--;
				}
				else
				if(s[j] == 'R'){
					gx++;
				}
				else
				if(s[j] == 'F'){
					gy++;
				}
				else
				if(s[j] == 'B'){
					gy--;
				}
				ansmin = min(ansmin, dist(gx, gy));
			}
		}
		gx = inx, gy = iny;
		double xx, yy;
		if(lastx >= gx){
			xx = lastx - gx;
		}
		else{
			xx = gx - lastx;
			xx = -xx;
		}
		if(lasty >= gy){
			yy = lasty - gy;
		}
		else{
			yy = gy - lasty;
			yy = -yy;
		}
		gx = gx + max(0, k - 1000) * xx;
		gy = gy + max(0, k - 1000) * yy;
		for(int i = max(1, k - 1000);i <= k; i++){
			for(int j = 0;j < s.size(); j++){
				if(s[j] == 'L'){
					gx--;
				}
				else
				if(s[j] == 'R'){
					gx++;
				}
				else
				if(s[j] == 'F'){
					gy++;
				}
				else
				if(s[j] == 'B'){
					gy--;
				}
				ansmax = max(ansmax, dist(gx, gy));
			}
		}
	}
	else{
		gx = inx, gy = iny;
		for(int i = 0;i < min(1000, k); i++){
			for(int j = 0;j < s.size(); j++){
				if(s[j] == 'L'){
					gx--;
				}
				else
				if(s[j] == 'R'){
					gx++;
				}
				else
				if(s[j] == 'F'){
					gy++;
				}
				else
				if(s[j] == 'B'){
					gy--;
				}
				ansmax = max(ansmax, dist(gx, gy));
			}
		}
		gx = inx, gy = iny;
		double xx, yy;
		if(lastx >= gx){
			xx = lastx - gx;
		}
		else{
			xx = gx - lastx;
			xx = -xx;
		}
		if(lasty >= gy){
			yy = lasty - gy;
		}
		else{
			yy = gy - lasty;
			yy = -yy;
		}
		gx = gx + max(0, k - 1000) * xx;
		gy = gy + max(0, k - 1000) * yy;
		for(int i = max(1, k - 1000);i <= k; i++){
			for(int j = 0;j < s.size(); j++){
				if(s[j] == 'L'){
					gx--;
				}
				else
				if(s[j] == 'R'){
					gx++;
				}
				else
				if(s[j] == 'F'){
					gy++;
				}
				else
				if(s[j] == 'B'){
					gy--;
				}
				ansmin = min(ansmin, dist(gx, gy));
			}
		}
	}
	cout << fixed << setprecision(9) << ansmin << " " << ansmax;
}

Compilation message (stderr)

expgorl.cpp:29:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
expgorl.cpp: In function 'int main()':
expgorl.cpp:42:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int j = 0;j < s.size(); j++){
                ~~^~~~~~~~~~
expgorl.cpp:65:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j = 0;j < s.size(); j++){
                  ~~^~~~~~~~~~
expgorl.cpp:103:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j = 0;j < s.size(); j++){
                  ~~^~~~~~~~~~
expgorl.cpp:126:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j = 0;j < s.size(); j++){
                  ~~^~~~~~~~~~
expgorl.cpp:164:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j = 0;j < s.size(); j++){
                  ~~^~~~~~~~~~
expgorl.cpp:40:24: warning: unused variable 'ans2' [-Wunused-variable]
  double ans1 = ansmin, ans2 = ansmax, lastx, lasty;
                        ^~~~
expgorl.cpp:33:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &k);
  ~~~~~^~~~~~~~~~

• Subtask 1: 0 / 100