답안 #22671

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
22671	2017-04-30T06:22:02 Z	↓우리보다잘하는팀(#947, ainta, gs12117, gs13068)	Polynomial Quine (KRIII5_PQ)	C++	2 / 7	79 ms	3308 KB

PQ

#include<cstdio>
#include<vector>
#include<algorithm>
using namespace std;
int _minv[210][210];
long long int mpow(int x, int y, int mod) {
	if (y == 0)return 1;
	long long int res = mpow(x, y / 2, mod);
	res *= res;
	res %= mod;
	if (y % 2 == 1) {
		res *= x;
		res %= mod;
	}
	return res;
}
int minv(int x, int mod) {
	if (_minv[mod][x] != 0)return _minv[mod][x];
	return _minv[mod][x] = mpow(x, mod - 2, mod);
}
vector<vector<int> > solve(int p, vector<vector<int> > a) {
	int s = 0;
	int dr = -1;
	for (int i = 0; i < a.size() + 1; i++) {
		int flg, r;
		flg = 0;
		for (int j = s; j < a.size(); j++) {
			if (a[j][i] != 0) {
				flg = 1;
				r = j;
				break;
			}
		}
		if (flg == 0) {
			dr = i;
			continue;
		}
		vector<int> t = a[r];
		a[r] = a[s];
		a[s] = t;
		int ip = minv(a[s][i], p);
		for (int j = i; j < a[s].size(); j++) {
			a[s][j] *= ip;
			a[s][j] %= p;
		}
		for (int j = s + 1; j < a.size(); j++) {
			int z = a[j][i];
			for (int k = i; k < a[j].size(); k++) {
				a[j][k] += p - (z*a[s][k] % p);
				a[j][k] %= p;
			}
		}
		s++;
	}
	vector<vector<int> > res;
	for (int i = 0; i < p; i++) {
		vector<int> t = a[0];
		for (int j = 0; j < t.size(); j++) {
			t[j] = 0;
		}
		t[dr] = i;
		for (int j = dr - 1; j >= 0; j--) {
			int s=0;
			for (int k = j + 1; k <= dr; k++) {
				s += t[k] * a[j][k];
				s %= p;
			}
			t[j] = (p - s) % p;
		}
		res.push_back(t);
	}
	return res;
}
vector<vector<int> > pnsolve(int p, int pd, vector<vector<int> > a) {
	if (p == pd)return solve(p, a);
	vector<vector<int> > res;
	vector<vector<int> > b;
	int spd = pd / p;
	for (int i = 0; i < a.size(); i++) {
		vector<int> tb;
		for (int j = 0; j < a[i].size(); j++) {
			tb.push_back(a[i][j] % spd);
		}
		b.push_back(tb);
	}
	vector<vector<int> > tres = pnsolve(p, spd, b);
//	for (int i = 0; i < tres.size(); i++) {
//	}
	return tres;
}
vector<vector<int> > crtsolve(int n, int sn, vector<vector<int> > a) {
	vector<vector<int> > res;
	if (n == 1) {
		vector<int> t;
		for (int i = 0; i < sn; i++) {
			t.push_back(0);
		}
		res.push_back(t);
		return res;
	}
	int pdiv;
	for (int i = 2; i <= n; i++) {
		if (n%i == 0) {
			pdiv = i;
			break;
		}
	}
	int pn = pdiv;
	while (n % (pdiv*pn) == 0) {
		pn *= pdiv;
	}
	int cn = n / pn;
	vector<vector<int> > aa;
	vector<vector<int> > ab;
	for (int i = 0; i < a.size(); i++) {
		vector<int> ta;
		vector<int> tb;
		for (int j = 0; j < a[i].size(); j++) {
			ta.push_back(a[i][j] % pn);
			tb.push_back(a[i][j] % cn);
		}
		aa.push_back(ta);
		ab.push_back(tb);
	}
	vector<vector<int> > resa = pnsolve(pdiv, pn, aa);
	vector<vector<int> > resb = crtsolve(cn, sn, ab);
	for (int i = 0; i < resa.size(); i++) {
		for (int j = 0; j < resb.size(); j++) {
			vector<int> t;
			for (int k = 0; k < sn; k++) {
				int r = resa[i][k];
				while (r%cn != resb[j][k])r += pn;
				t.push_back(r);
			}
			res.push_back(t);
		}
	}
	return res;
}
int main() {
	int n;
	vector<vector<int> > s;
	scanf("%d", &n);
	for (int i = 1; i < n; i++) {
		vector<int> t;
		int r = 1;
		for (int j = 0; j < n; j++) {
			t.push_back(r);
			r *= i;
			r %= n;
		}
		t[i] += n - 1;
		t[i] %= n;
		vector<int> rt;
		for (int j = n - 1; j >= 0; j--) {
			rt.push_back(t[j]);
		}
		s.push_back(rt);
	}
	vector<vector<int> > res = crtsolve(n, n, s);
	std::sort(res.begin(), res.end());
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < n; j++) {
			printf("%d ", res[i][j]);
		}
		printf("\n");
	}
}

Compilation message

PQ.cpp: In function 'std::vector<std::vector<int> > solve(int, std::vector<std::vector<int> >)':
PQ.cpp:24:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < a.size() + 1; i++) {
                    ^
PQ.cpp:27:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = s; j < a.size(); j++) {
                     ^
PQ.cpp:42:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = i; j < a[s].size(); j++) {
                     ^
PQ.cpp:46:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = s + 1; j < a.size(); j++) {
                         ^
PQ.cpp:48:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int k = i; k < a[j].size(); k++) {
                      ^
PQ.cpp:58:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < t.size(); j++) {
                     ^
PQ.cpp: In function 'std::vector<std::vector<int> > pnsolve(int, int, std::vector<std::vector<int> >)':
PQ.cpp:79:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < a.size(); i++) {
                    ^
PQ.cpp:81:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < a[i].size(); j++) {
                     ^
PQ.cpp: In function 'std::vector<std::vector<int> > crtsolve(int, int, std::vector<std::vector<int> >)':
PQ.cpp:115:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < a.size(); i++) {
                    ^
PQ.cpp:118:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < a[i].size(); j++) {
                     ^
PQ.cpp:127:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < resa.size(); i++) {
                    ^
PQ.cpp:128:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < resb.size(); j++) {
                     ^
PQ.cpp: In function 'int main()':
PQ.cpp:143:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
PQ.cpp: In function 'std::vector<std::vector<int> > crtsolve(int, int, std::vector<std::vector<int> >)':
PQ.cpp:125:50: warning: 'pdiv' may be used uninitialized in this function [-Wmaybe-uninitialized]
  vector<vector<int> > resa = pnsolve(pdiv, pn, aa);
                                                  ^

Subtask #1

2.0 / 2.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2120 KB	Output is correct
2	Correct	0 ms	2120 KB	Output is correct
3	Correct	0 ms	2120 KB	Output is correct
4	Correct	0 ms	2120 KB	Output is correct
5	Correct	0 ms	2120 KB	Output is correct
6	Correct	0 ms	2120 KB	Output is correct
7	Correct	0 ms	2120 KB	Output is correct
8	Correct	0 ms	2120 KB	Output is correct
9	Correct	0 ms	2120 KB	Output is correct
10	Correct	0 ms	2120 KB	Output is correct
11	Correct	0 ms	2120 KB	Output is correct
12	Correct	0 ms	2252 KB	Output is correct
13	Correct	0 ms	2252 KB	Output is correct
14	Correct	0 ms	2252 KB	Output is correct
15	Correct	0 ms	2252 KB	Output is correct
16	Correct	0 ms	2252 KB	Output is correct
17	Correct	0 ms	2252 KB	Output is correct
18	Correct	3 ms	2252 KB	Output is correct
19	Correct	3 ms	2252 KB	Output is correct
20	Correct	3 ms	2384 KB	Output is correct
21	Correct	3 ms	2384 KB	Output is correct
22	Correct	3 ms	2384 KB	Output is correct
23	Correct	6 ms	2384 KB	Output is correct
24	Correct	6 ms	2384 KB	Output is correct
25	Correct	13 ms	2384 KB	Output is correct
26	Correct	13 ms	2516 KB	Output is correct
27	Correct	9 ms	2516 KB	Output is correct
28	Correct	9 ms	2516 KB	Output is correct
29	Correct	13 ms	2516 KB	Output is correct
30	Correct	9 ms	2516 KB	Output is correct
31	Correct	19 ms	2648 KB	Output is correct
32	Correct	19 ms	2780 KB	Output is correct
33	Correct	29 ms	2780 KB	Output is correct
34	Correct	23 ms	2780 KB	Output is correct
35	Correct	29 ms	2912 KB	Output is correct
36	Correct	39 ms	2912 KB	Output is correct
37	Correct	33 ms	2912 KB	Output is correct
38	Correct	36 ms	3044 KB	Output is correct
39	Correct	46 ms	3044 KB	Output is correct
40	Correct	59 ms	3044 KB	Output is correct
41	Correct	49 ms	3176 KB	Output is correct
42	Correct	53 ms	3176 KB	Output is correct
43	Correct	63 ms	3308 KB	Output is correct
44	Correct	76 ms	3308 KB	Output is correct
45	Correct	73 ms	3308 KB	Output is correct
46	Correct	79 ms	3308 KB	Output is correct

Subtask #2

0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2120 KB	Output is correct
2	Runtime error	0 ms	2120 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
3	Halted	0 ms	0 KB	-