#undef KEV
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T> void debug(T l, T r) { while (l != r) cerr << *l << " \n"[next(l) == r], ++l; }
#else
#define DE(...) 0
#define debug(...) 0
#endif
const int MAX_N = 2005, inf = 1e9;
using opl = long long;
int n, L;
opl v[MAX_N][MAX_N];
using lll = __int128;
#define ll lll
opl gcd(lll a, lll b) { return gcd(opl(a), opl(b)); }
struct frac {
ll up, dn;
void ref() { ll g = gcd(up, dn); up/=g, dn/=g; }
frac(ll a, ll b) :
up(a), dn(b) {}
frac(ll v) :
up(v), dn(1) {}
void sca(ll v) { up *= v, dn *= v; }
frac& chk() {
if (dn > inf) {
ll num = up / dn, lft = up % dn;
up = (lll)inf * lft / dn + num * inf, dn = inf;
}
return *this;
}
};
frac operator * (frac a, frac b) { a.up *= b.up, a.dn *= b.dn, a.ref(); return a.chk(); }
frac operator * (frac a, ll v) { a.up *= v; return a.chk(); }
frac operator / (frac a, ll v) { a.dn *= v; return a.chk(); }
frac operator + (frac a, frac b) {
ll da = a.dn, db = b.dn, nd = da / gcd(da, db) * db;
a.sca(nd/da), b.sca(nd/db);
a.up += b.up;
return a.chk();
}
frac operator - (frac a, frac b) {
ll da = a.dn, db = b.dn, nd = da / gcd(da, db) * db;
a.sca(nd/da), b.sca(nd/db);
a.up -= b.up;
return a.chk();
}
frac& operator += (frac &a, frac b) { return a = a + b; }
frac& operator -= (frac &a, frac b) { return a = a - b; }
bool operator < (frac a, frac b) { return (lll)a.up * b.dn < (lll)b.up * a.dn; }
bool operator > (frac a, frac b) { return (lll)a.up * b.dn > (lll)b.up * a.dn; }
ostream& operator << (ostream& out, frac a) { return out << (opl)a.up << ' ' << (opl)a.dn; }
int32_t main() {
ios_base::sync_with_stdio(0), cin.tie(0);
cin >> n >> L;
for (int i = 0;i < n;++i)
for (int j = 0;j < L;++j)
cin >> v[i][j];
vector<int> vis(n);
bool ok = true;
vector<frac> sep {{0, 1}};
vector<int> od;
for (int i = 0;i < n;++i) {
frac nl = frac(inf, 1);
int nid = -1;
for (int x = 0;x < n;++x) if (!vis[x]) {
int sum = 0;
for (int j = 0;j < L;++j)
sum += v[x][j];
auto [up, dn] = sep.back();
int atid = up / dn, lft = dn - up % dn;
frac need{sum, n};
if (frac(lft, dn) * v[x][atid] > need) {
frac len = need / v[x][atid];
if (chmin(nl, len + sep.back()))
nid = x;
continue;
}
need -= frac(lft, dn) * v[x][atid];
++atid;
while (atid < L) {
if (need < v[x][atid]) break;
need -= v[x][atid++];
}
if (atid == L && need > frac(0)) {
continue;
}
if (chmin(nl, frac(atid) + need / v[x][atid]))
nid = x;
}
if (nid == -1) {
assert(pos == n-1);
ok = false;
break;
}
od.pb(nid);
sep.pb(nl);
vis[nid] = true;
}
if (!ok) return puts("-1"), 0;
for (int i = 1;i < n;++i)
cout << sep[i] << '\n';
for (int i = 0;i < n;++i)
cout << od[i]+1 << " \n"[i+1==n];
return 0;
}
Compilation message
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from naan.cpp:2:
naan.cpp: In function 'int32_t main()':
naan.cpp:120:11: error: 'pos' was not declared in this scope; did you mean 'pow'?
120 | assert(pos == n-1);
| ^~~
