QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#353209 | #7857. (-1,1)-Sumplete | ucup-team3215 | TL | 2542ms | 647972kb | C++20 | 2.5kb | 2024-03-13 23:17:17 | 2024-03-13 23:17:18 |
Judging History
answer
#include <algorithm>
#include <array>
#include <iostream>
#include <limits>
#include <vector>
using namespace std;
template<typename T = int>
struct /*Maksim1744*/ Dinic {
struct Edge {
int v, u;
T f, c;
};
vector<Edge> ed;
vector<vector<int> > e;
int n, st, fin;
T flow;
vector<int> ptr, ds, que;
Dinic(int n_, int st_, int fin_) : n(n_), st(st_), fin(fin_), flow(0) {
e.resize(n);
ptr.resize(n);
ds.resize(n);
que.resize(n);
}
void ae(int v, int u, T c, T bc = 0, T f = 0) {
int w = int(ed.size());
ed.push_back({v, u, f, c});
ed.push_back({u, v, -f, bc});
e[v].push_back(w);
e[u].push_back(w + 1);
}
bool bfs(T scale) {
fill(ds.begin(), ds.end(), -1);
ds[st] = 0;
int sz = 1;
que[0] = st;
for (int it = 0; it < sz; it++) {
int v = que[it];
for (int i : e[v])
if (ed[i].f + scale <= ed[i].c && ds[ed[i].u] == -1) {
ds[ed[i].u] = ds[v] + 1;
if (ed[i].u == fin)
return 1;
que[sz++] = ed[i].u;
}
}
return 0;
}
T dfs(int v, T w, T cs) {
if (v == fin)
return w;
int &i = ptr[v];
while (i >= 0) {
auto &t = ed[e[v][i]];
if (ds[t.u] == ds[v] + 1 && t.f + cs <= t.c) {
T o = dfs(t.u, min(w, t.c - t.f), cs);
if (o) {
t.f += o;
ed[e[v][i] ^ 1].f -= o;
return o;
}
}
i--;
}
return 0;
}
T get(int scale = 30) {
for (T i = ((T(1)) << scale); i > 0; i >>= 1)
while (bfs(i)) {
for (int j = 0; j < n; j++)
ptr[j] = int(e[j].size()) - 1;
while (T w = dfs(st, numeric_limits<T>::max(), i))
flow += w;
}
return flow;
}
};
int main() {
cin.tie(0)->sync_with_stdio(0);
int n; cin >> n;
Dinic<> mf(2 * n + 2, 2 * n, 2 * n + 1);
for (int i = 0; i < n; ++i) if (string s; cin >> s)
for (int j = 0; j < n; ++j) {
if (s[j] == '+') mf.ae(i, n + j, 1);
else mf.ae(n + j, i, 1);
}
int s[2]{};
for (int i = 0; i < n; ++i) { int x; cin >> x; if (x > 0) mf.ae(2 * n, i, x), s[0] += x; else mf.ae(i, 2 * n + 1, -x), s[1] -= x; }
for (int i = 0; i < n; ++i) { int x; cin >> x; if (x < 0) mf.ae(2 * n, n + i, -x), s[0] -= x; else mf.ae(n + i, 2 * n + 1, x), s[1] += x; }
if (s[0] != s[1] || s[0] != mf.get()) return cout << "NO\n", 0;
cout << "Yes\n";
vector<string> ans(n, string(n, '0'));
for (int i = 0; i < mf.ed.size(); i += 2) if (auto& e = mf.ed[i]; max(e.u, e.v) < 2 * n && e.f) {
ans[min(e.u, e.v) % n][max(e.u, e.v) % n] = '1';
}
for (auto& s: ans) cout << s << '\n';
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3792kb
input:
3 +-+ -++ +-+ 1 1 1 1 -1 3
output:
Yes 001 001 111
result:
ok n=3
Test #2:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
3 --- -++ +++ -2 -1 0 -2 -1 0
output:
Yes 110 100 000
result:
ok n=3
Test #3:
score: 0
Accepted
time: 0ms
memory: 3836kb
input:
3 +-+ -++ ++- 1 0 2 2 2 -1
output:
NO
result:
ok n=3
Test #4:
score: 0
Accepted
time: 0ms
memory: 3568kb
input:
1 - -1 1
output:
NO
result:
ok n=1
Test #5:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
1 - 0 0
output:
Yes 0
result:
ok n=1
Test #6:
score: 0
Accepted
time: 0ms
memory: 3532kb
input:
20 +-------+-----+++-++ -+-++++----++-++-++- -+++--+---+--+-++--- -+++-+--+----++---+- +++-+-++++++-+-+---+ -++-----+----++++++- +-++--+++++-++-+---- +-+----+---+-+++--+- +++++-+++++----+--+- ------++++---+--++-- ++++--------++++--+- -+-+-++++-+-++-++--+ ---+-++---+-++-++--- +-++++-++----+-+++-- +-+...
output:
Yes 00000000010000000100 00000000000010100010 00000000010000000100 00000011010000000100 00100000100101010001 00000000010000000000 00000000000101000101 00000000000000000001 00000000000000000000 00000100001100000001 00000001011100000101 00000000000101001000 10000000000001011000 00000000000001011000 00...
result:
ok n=20
Test #7:
score: 0
Accepted
time: 1ms
memory: 3964kb
input:
100 ++++-+-+--++++++-+--+--++-+-+--+++++-+++---+-+-+-++-+-+++-------+-++--+-++--+--+++++-++-+---+--+--++ -++--++-+-++++-+---++-+-+-+-+-+-+-+-+--+-+--+--+++---+--+-----+-----+-++-++-+-++++++--+-+++-+++-++++ --+---++-++--++-+++-------+--+-++------+-----+--+----++++++++-+--+++++--++--+-+-+++---+--+++-+...
output:
Yes 1111010100111111010010011010100010100000000000000000000000000000000000000000000011110110100010010011 0110011010111101000110101010100010100000000000000000000000000000000000000000101111110010111011101111 0010001101100110111000000010010010000000000000000000000000000000000000000000001011100010011101...
result:
ok n=100
Test #8:
score: 0
Accepted
time: 17ms
memory: 14700kb
input:
500 --+-+-+-++-----+++--+-+++-+---+-+-------+++--++++++-+--++--+-+-++++-++++--++--+---++--++----++--+---++-++--+-----+-+---++-++++-+++++++---++-++--+-++++-+----++-+++-+++---+--+++-+--++-++--+++++++-+++--+---+---+-+---++-+-+--+-+++-++-----+++-++-+++-+-++--++++++-+-++-+++---++-+++-++----+--+++----++++...
output:
Yes 11010101001111100011010001011101011111110001100000010110011010100001000011001101110011001111001101110010011011111010111001000010000000111001001101000010111100100010001110110001010001001100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
ok n=500
Test #9:
score: 0
Accepted
time: 1144ms
memory: 647948kb
input:
4000 -++-+-+-+--+-++++---+-++------++---+-+++--+++--+++++++---+-++-+++++++----+---+++-++--++---+-++--+----+---+--++-+-+-+-----+-+---++-++--+---+++-++++-+-----++--++-++---++-+--+++-+--+--+-+-++-+++--++---+++-+-+---+++-++-+-++-+-+++---+++---+-+--++---+-+---+--+++--+----+-+--++---+-----+-+--+----+-+++-...
output:
Yes 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
result:
ok n=4000
Test #10:
score: 0
Accepted
time: 2542ms
memory: 647948kb
input:
4000 +---+--++-+--++-+-++--+++--++--+++-+-+-+--++++++-++-+-+++-+---++++-+-+++----++-+---++--++--+++-----++---++-+--++++----++--++--+-+-++--+--+++++-+---+++-+++--++++-++-+++++++----+++-----+--++-+++-++-++-+++-+--++++++-+--++--+-+---++--------+-+--++----+-++-+-++---+--++--+-+--+-+++-+--+--++++-++----+...
output:
Yes 01110110010110010100110001100110001010101100000010010100010111000010100011110010111001100110001111100111001011000011110011001101010011011000001011100010001100001001000000011110001111101100100010010010001011000000101100110101110011111111010110011110100101001110110011010110100010110110000100111101...
result:
ok n=4000
Test #11:
score: 0
Accepted
time: 1408ms
memory: 647880kb
input:
4000 -+--+------+--+++-++-----++--+-++-++-++-+-+-++++++--++--+-++-+-+++---++-+-+++++-++++++-+-++-++-++-+-++---+-+-------++-+++-++-+-++++-++-+-+-----+----+--+----++++-------++-+--+++----+++++++-+--+-+---+-+++++-+-----++-------++++--+-+-++---++++-++++-++-+++-+-++---+--+---+-++++++--++---+-++++++-+-+--...
output:
Yes 01001000000100111011000001100101101101101010111111001100101101011100011010111110111111010110110110101100010100000001101110110101111011010100000100001001000011110000000110100111000011111110100101000101111101000001100000001111001010110001111011110110111010110001001000101111110011000101011110101000...
result:
ok n=4000
Test #12:
score: 0
Accepted
time: 2242ms
memory: 647972kb
input:
4000 +-+-----++++-----++++-+-++-+----+++---++--+---+++-+-++------+-+-++++----+-++++--+-++----+-+---+--+-----+-++--++-+++---+---+++---++-+++---++++---++----+++--+---+---+++-++-+-+-+--+++--++----++-+------+++-++-++--+--+++---+-------++++-+-++--++-+--+------+++++---+---++-++++-+++-++++-+---++-++++----+...
output:
Yes 01011111000011111000010100101111000111001101110001010011111101010000111101000011010011110101110110111110100110010001110111000111001000111000011100111100011011101110001001010101100011001111001011111100010010011011000111011111110000101001100101101111110000011101100010000100010000101110010000111100...
result:
ok n=4000
Test #13:
score: 0
Accepted
time: 1309ms
memory: 647816kb
input:
4000 -+++---+-------+-++++-+++-++-+--++----++++++---+---++-++++-+++-++++-+---+--+++-----+-+--++-+--+-++++--+--++-+---+++++++++-+++++++-+++--+-+---++-+-++----+-++--++-++++++++++++++-+++-++-+++-++-++---+---+++-+-+++++++--+-+++-++-+-----+++-++--+++------+++--+++---+--+----++-+--+-+---+--+---+-+-+--++++...
output:
Yes 01110001000000010111101110110100110000111111000100011011110111011110100010011100000101001101001011110010011010001111111110111111101110010100011010110000101100110111111111111110111011011101101100010001110101111111001011101101000001110110011100000011000111000000100001101001010001001000100010011110...
result:
ok n=4000
Test #14:
score: -100
Time Limit Exceeded
input:
4000 +--+++++--++--+-+++-++-+-+-+-+--++------++++---+++-+-+--+------++-+--++-+-+++-----+-+++++-+------++++-++++-+--+------++--+++++-+-+--+-+++++++++++++++-+--+-+-+---+-+-+++++-++--+-+---++-++--+--+-+++-+-+++++-+--++-+----+++-++-++++-+---+--+-++-++-+-+-+---++-++-+-+----++-++++-----------+++--++++-++-...