//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define pll pair<ll,int>
int dx[4]={0,0,1,-1};
int dy[4]={1,-1,0,0};
void setIO(string s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
inline char readchar(){
const int maxn=1000000;
static char buf[maxn],*p=buf,*q=buf;
if(p==q&&(q=(p=buf)+fread(buf,1,maxn,stdin))==buf) return EOF;
else return *p++;
}
inline int readint(){
int c=readchar(),x=0,neg=0;
while((c<'0'||c>'9')&&c!='-'&&c!=EOF) c=readchar();
if(c=='-') neg=1,c=readchar();
while(c>='0'&&c<='9') x=(x<<3)+(x<<1)+(c^'0'),c=readchar();
return neg?-x:x;
}
bool les(pll a,pll b){
return (__int128)a.f*b.s<(__int128)a.s*b.f;
}
void sir(pll &x){
ll g=__gcd(x.f,1ll*x.s);
x.f/=g;
x.s/=g;
}
signed main() {_
n=readint();
l=readint();
vector<vector<int>> v0(n,vector<int>(l));
vector<vector<int>> v(n,vector<int>(l));
vector<int> sum(n);
for(int i=0;i<n;i++){
for(int j=0;j<l;j++){
v0[i][j]=readint();
sum[i]+=v0[i][j];
v[i][j]=v0[i][j]*n;
}
}
vector<vector<pll>> cut(n,vector<pll>(n));
for(int i=0;i<n;i++){
int pos=0;
int rem=v[i][0];
for(int j=0;j<n-1;j++){
int now=sum[i];
while(pos<l and rem<=now){
now-=rem;
pos++;
rem=v[i][pos];
}
rem-=now;
cut[i][j]={1ll*v[i][pos]*(pos+1)-rem,v[i][pos]};
sir(cut[i][j]);
//cout<<cut[i][j].f<<'/'<<cut[i][j].s<<' ';
}
//cout<<'\n';
}
vector<bool> used(n);
vector<int> ans;
for(int i=0;i<n;i++){
int mn=-1;
for(int j=0;j<n;j++){
if(used[j]) continue;
if(mn==-1) mn=j;
else if(les(cut[j][i],cut[mn][i])){
mn=j;
}
}
ans.push_back(mn);
used[mn]=true;
}
for(int i=0;i<n-1;i++){
cout<<cut[ans[i]][i].f<<' '<<cut[ans[i]][i].s<<'\n';
}
for(int i=0;i<n;i++){
cout<<ans[i]+1<<' ';
}
return 0;
}
//maybe its multiset not set
//yeeorz
//laborz
Compilation message
naan.cpp: In function 'int main()':
naan.cpp:45:5: error: 'n' was not declared in this scope; did you mean 'yn'?
45 | n=readint();
| ^
| yn
naan.cpp:46:5: error: 'l' was not declared in this scope
46 | l=readint();
| ^
naan.cpp: In function 'void setIO(std::string)':
naan.cpp:16:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
16 | freopen((s + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
naan.cpp:17:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
17 | freopen((s + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
