제출 #349652

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
349652		rrrr10000	정렬하기 (IOI15_sorting)	C++14	0 / 100	9 ms	492 KiB

sorting

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n)  for(long long i=0;i<(long long)(n);i++)
#define REP(i,k,n) for(long long i=k;i<(long long)(n);i++)
#define all(a) a.begin(),a.end()
#define rsort(a) {sort(all(a));reverse(all(a));}
#define pb emplace_back
#define eb emplace_back
#define lb(v,k) (lower_bound(all(v),(k))-v.begin())
#define ub(v,k) (upper_bound(all(v),(k))-v.begin())
#define fi first
#define se second
#define pi M_PI
#define PQ(T) priority_queue<T>
#define SPQ(T) priority_queue<T,vector<T>,greater<T>>
#define dame(a) {out(a);return 0;}
#define decimal cout<<fixed<<setprecision(15);
#define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());}
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> PP;
typedef tuple<ll,ll,ll,ll> PPP;
typedef multiset<ll> S;
using vi=vector<ll>;
using vvi=vector<vi>;
using vvvi=vector<vvi>;
using vvvvi=vector<vvvi>;
using vp=vector<P>;
using vvp=vector<vp>;
using vb=vector<bool>;
using vvb=vector<vb>;
const ll inf=1001001001001001001;
const ll INF=1001001001;
const ll mod=998244353;
const double eps=1e-10;
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';}
template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';}
template<class T> void outvvp(T v){rep(i,v.size())outvp(v[i]);}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';}
template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);}
template<class T> bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);}
template<class T> void yesno(T b){if(b)out("yes");else out("no");}
template<class T> void YesNo(T b){if(b)out("Yes");else out("No");}
template<class T> void YESNO(T b){if(b)out("YES");else out("NO");}
template<class T> void noyes(T b){if(b)out("no");else out("yes");}
template<class T> void NoYes(T b){if(b)out("No");else out("Yes");}
template<class T> void NOYES(T b){if(b)out("NO");else out("YES");}
void outs(ll a,ll b){if(a>=inf-100)out(b);else out(a);}
ll gcd(ll a,ll b){if(b==0)return a;return gcd(b,a%b);}
ll modpow(ll a,ll b){ll res=1;a%=mod;while(b){if(b&1)res=res*a%mod;a=a*a%mod;b>>=1;}return res;}

int findSwapPairs(int n,int s[],int m,int x[],int y[],int P[],int Q[]){
    vi v(n);
    rep(i,n)v[i]=s[i];
    rep(i,m)swap(v[x[i]],v[y[i]]);
    vi target(n);rep(i,n)target[i]=i;
    rep(i,m)P[i]=Q[i]=0;
    for(int i=m-1;i>=0;i--){
        ll w=-1,t=-1;
        rep(j,n)if(target[j]!=v[j])w=j;
        if(w!=-1){
            rep(j,n)if(target[w]==v[j])t=j;
            assert(t!=-1);
            P[i]=t;Q[i]=w;
            swap(target[t],target[w]);
        }
        swap(target[x[i]],target[y[i]]);swap(v[x[i]],v[y[i]]);
    }
    return m;
}/*
int main(){
    int n;cin>>n;
    int s[10];rep(i,n)cin>>s[i];
    int m;cin>>m;
    int x[10],y[10];
    rep(i,m)cin>>x[i]>>y[i];
    int p[10],q[10];
    out(findSwapPairs(n,s,m,x,y,p,q));
    rep(i,m)outp(P(p[i],q[i]));
    rep(i,m){
        swap(s[x[i]],s[y[i]]);
        swap(s[p[i]],s[q[i]]);
    }
    rep(i,n)cout<<s[i]<<' ';cout<<endl;
}*/

컴파일 시 표준 에러 (stderr) 메시지

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:55:70: warning: declaration of 'P' shadows a global declaration [-Wshadow]
   55 | int findSwapPairs(int n,int s[],int m,int x[],int y[],int P[],int Q[]){
      |                                                                      ^
sorting.cpp:20:21: note: shadowed declaration is here
   20 | typedef pair<ll,ll> P;
      |                     ^
sorting.cpp:67:18: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
   67 |             P[i]=t;Q[i]=w;
      |                  ^
sorting.cpp:67:25: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
   67 |             P[i]=t;Q[i]=w;
      |                         ^

• Subtask 1: 0 / 8
• Subtask 2: 0 / 12
• Subtask 3: 0 / 16
• Subtask 4: 0 / 18
• Subtask 5: 0 / 20
• Subtask 6: 0 / 26