Submission #22796

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
22796	2017-04-30T07:31:28 Z	↓우리보다잘하는팀(#947, ainta, gs12117, gs13068)	Polynomial Quine (KRIII5_PQ)	C++	2 / 7	73 ms	3312 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<int> tsolve(int p, vector<vector<int> > a, vector<int> ans) {
	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 td = ans[r];
		ans[r] = ans[s];
		ans[s] = td;
		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<int> res = a[0];
	for (int j = 0; j < res.size(); j++) {
		res[j] = 0;
	}
	int pd = a.size() - 1;
	for (int j = a.size(); j >= 0; j--) {
		if (j == dr) {
			res[j] = 1;
			continue;
		}
		int s = 0;
		for (int k = j + 1; k <= a.size(); k++) {
			s += res[k] * a[pd][k];
			s %= p;
		}
		res[j] = (ans[pd] + p - s) % p;
		pd--;
	}
	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);
	vector<int> sp = tres[1];
	vector<int> spb;
	vector<vector<int> > qs;
	for (int i = 0; i < a.size(); i++) {
		vector<int> tb;
		spb.push_back(0);
		for (int j = 0; j < a[i].size(); j++) {
			spb[i] += sp[j] * a[i][j];
			tb.push_back(a[i][j] % p);
		}
		qs.push_back(tb);
	}
	for (int i = 0; i < spb.size(); i++) {
		spb[i] /= spd;
		spb[i] %= p;
		spb[i] = p - spb[i];
		spb[i] %= p;
	}
	vector<int> pres = tsolve(p, qs, spb);
	for (int i = 0; i < pres.size(); i++) {
		pres[i] = sp[i] + spd*pres[i];
		pres[i] %= pd;
	}
	for (int i = 0; i < pd; i++) {
		vector<int> t;
		for (int j = 0; j < pres.size(); j++) {
			t.push_back(pres[j] * i%pd);
		}
		res.push_back(t);
	}
	return res;
}
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<int> tsolve(int, std::vector<std::vector<int> >, std::vector<int>)':
PQ.cpp:77:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < a.size() + 1; i++) {
                    ^
PQ.cpp:80:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = s; j < a.size(); j++) {
                     ^
PQ.cpp:98:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = i; j < a[s].size(); j++) {
                     ^
PQ.cpp:102:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = s + 1; j < a.size(); j++) {
                         ^
PQ.cpp:104:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int k = i; k < a[j].size(); k++) {
                      ^
PQ.cpp:112:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int j = 0; j < res.size(); j++) {
                    ^
PQ.cpp:122:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int k = j + 1; k <= a.size(); k++) {
                         ^
PQ.cpp: In function 'std::vector<std::vector<int> > pnsolve(int, int, std::vector<std::vector<int> >)':
PQ.cpp:136:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < a.size(); i++) {
                    ^
PQ.cpp:138:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < a[i].size(); j++) {
                     ^
PQ.cpp:147:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < a.size(); i++) {
                    ^
PQ.cpp:150:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < a[i].size(); j++) {
                     ^
PQ.cpp:156:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < spb.size(); i++) {
                    ^
PQ.cpp:163:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < pres.size(); i++) {
                    ^
PQ.cpp:169:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < pres.size(); j++) {
                     ^
PQ.cpp: In function 'std::vector<std::vector<int> > crtsolve(int, int, std::vector<std::vector<int> >)':
PQ.cpp:200:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < a.size(); i++) {
                    ^
PQ.cpp:203:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < a[i].size(); j++) {
                     ^
PQ.cpp:212:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < resa.size(); i++) {
                    ^
PQ.cpp:213:21: 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:228:17: 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:210:50: 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

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	2124 KB	Output is correct
2	Correct	0 ms	2124 KB	Output is correct
3	Correct	0 ms	2124 KB	Output is correct
4	Correct	0 ms	2124 KB	Output is correct
5	Correct	0 ms	2124 KB	Output is correct
6	Correct	0 ms	2124 KB	Output is correct
7	Correct	0 ms	2124 KB	Output is correct
8	Correct	0 ms	2124 KB	Output is correct
9	Correct	0 ms	2124 KB	Output is correct
10	Correct	0 ms	2124 KB	Output is correct
11	Correct	0 ms	2124 KB	Output is correct
12	Correct	0 ms	2256 KB	Output is correct
13	Correct	0 ms	2256 KB	Output is correct
14	Correct	0 ms	2256 KB	Output is correct
15	Correct	0 ms	2256 KB	Output is correct
16	Correct	0 ms	2256 KB	Output is correct
17	Correct	0 ms	2256 KB	Output is correct
18	Correct	3 ms	2256 KB	Output is correct
19	Correct	3 ms	2256 KB	Output is correct
20	Correct	3 ms	2388 KB	Output is correct
21	Correct	3 ms	2388 KB	Output is correct
22	Correct	3 ms	2388 KB	Output is correct
23	Correct	6 ms	2388 KB	Output is correct
24	Correct	6 ms	2388 KB	Output is correct
25	Correct	6 ms	2388 KB	Output is correct
26	Correct	9 ms	2520 KB	Output is correct
27	Correct	9 ms	2520 KB	Output is correct
28	Correct	9 ms	2520 KB	Output is correct
29	Correct	9 ms	2520 KB	Output is correct
30	Correct	13 ms	2520 KB	Output is correct
31	Correct	19 ms	2652 KB	Output is correct
32	Correct	19 ms	2784 KB	Output is correct
33	Correct	23 ms	2784 KB	Output is correct
34	Correct	23 ms	2784 KB	Output is correct
35	Correct	29 ms	2916 KB	Output is correct
36	Correct	29 ms	2916 KB	Output is correct
37	Correct	33 ms	2916 KB	Output is correct
38	Correct	39 ms	3048 KB	Output is correct
39	Correct	39 ms	3048 KB	Output is correct
40	Correct	46 ms	3048 KB	Output is correct
41	Correct	49 ms	3180 KB	Output is correct
42	Correct	49 ms	3180 KB	Output is correct
43	Correct	66 ms	3312 KB	Output is correct
44	Correct	73 ms	3312 KB	Output is correct
45	Correct	69 ms	3312 KB	Output is correct
46	Correct	69 ms	3312 KB	Output is correct

Subtask #2

0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	2124 KB	Output is correct
2	Correct	0 ms	2124 KB	Output is correct
3	Correct	0 ms	2124 KB	Output is correct
4	Incorrect	0 ms	2124 KB	Output isn't correct
5	Halted	0 ms	0 KB	-