제출 #675111

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
675111		bachhoangxuan	Table Tennis (info1cup20_tabletennis)	C++17	컴파일 에러	0 ms	0 KiB

tabletennis

// Judges with GCC >= 12 only needs Ofast
// #pragma GCC optimize("O3,no-stack-protector,fast-math,unroll-loops,tree-vectorize")
// MLE optimization
// #pragma GCC optimize("conserve-stack")
// Old judges
// #pragma GCC target("sse4.2,popcnt,lzcnt,abm,mmx,fma,bmi,bmi2")
// New judges. Test with assert(__builtin_cpu_supports("avx2"));
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
// Atcoder
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma")
#include<bits/stdc++.h>
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
uniform_real_distribution<> pp(0.0,1.0);
#define pii pair<int,int>
const int mod=998244353;
const int maxn=200005;
const int maxa=1000005;
int power(int a,int n){
    int res=1;
    while(n){
        if(n&1) res=res*a%mod;
        a=a*a%mod;n>>=1;
    }
    return res;
}
int n,k,a[maxn];
map<int,bool> mp;
void solve(){
    cin >> n >> k;
    for(int i=1;i<=n+k;i++) cin >> a[i];
    for(int i=1;i<=k+1;i++){
        for(int j=n+k;j>=max(i+1,n+i-1);j--){
            if(mp[a[i]+a[j]]) break;
            mp[a[i]+a[j]]=true;
            vector<int> ans;
            int lt=i+1,rt=j-1,sum=a[i]+a[j];
            while(lt<rt){
                while(rt>lt && a[rt]+a[lt]>sum) rt--;
                if(rt==lt) break;
                if(a[rt]+a[lt]==sum){ans.push_back(lt);ans.push_back(rt);lt++;rt--;}
                else lt++;
                if((int)ans.size()==n) break;
            }
            if((int)ans.size()==n){
                sort(ans.begin(),ans.end());
                for(int ) cout << v << ' ';
                return;
            }
        }
    }
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    int t=1;//cin >> t;
    while(t--) solve();
}

컴파일 시 표준 에러 (stderr) 메시지

tabletennis.cpp: In function 'void solve()':
tabletennis.cpp:47:25: error: expected unqualified-id before ')' token
   47 |                 for(int ) cout << v << ' ';
      |                         ^
tabletennis.cpp:47:24: error: expected ';' before ')' token
   47 |                 for(int ) cout << v << ' ';
      |                        ^~
      |                        ;
tabletennis.cpp:47:25: error: expected primary-expression before ')' token
   47 |                 for(int ) cout << v << ' ';
      |                         ^
tabletennis.cpp:47:24: error: expected ';' before ')' token
   47 |                 for(int ) cout << v << ' ';
      |                        ^~
      |                        ;
tabletennis.cpp:47:35: error: 'v' was not declared in this scope
   47 |                 for(int ) cout << v << ' ';
      |                                   ^