제출 #1319437

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1319437		FernandoJC07	Poi (IOI09_poi)	C++20	100 / 100	170 ms	33396 KiB

poi

#include <bits/stdc++.h>
#define Kaspárov main
using namespace std;
#pragma GCC optimize("Ofast,unroll-loops")
//\\ PRINCIPAL \\//

#define int long long
#define ull unsigned long long
#define ios ios_base::sync_with_stdio(0); cin.tie(nullptr); cout.tie(nullptr); cout.setf(ios::fixed); cout.precision(0); //srand(time(NULL));

//\\ VECTOR \\//

#define vi vector<int>
#define pii pair<int, int>
#define ti pair<int, pii>
#define vii vector<vector<int>>
#define vpii vector<pair<int, int>>
#define vti vector<ti>
#define vipii vector<vector<pair<int, int>>>
#define pb push_back
#define ff first
#define ss second
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define lb lower_bound
#define ordenar(x) sort( x.begin(), x.end() )
#define ordenarA(x,n) sort( x, x + n )
#define dbg(x) cout<<#x<<": "<<x<<"\n"
#define forn(i, n) for(int i = 0; i<n; ++i)
#define For(i, a, n) for(int i = a; i<n; ++i)

//\\ OPERACIONES RAPIDAS \\//

#define sf(n) scanf("%d", &n)
#define sff(n,m) scanf("%d%d",&n,&m)
#define sfl(n) scanf("%lld", &n)
#define sffl(n,m) scanf("%lld%lld",&n,&m)

#define pf(n) printf("%d\n",n)
#define pfl(n) printf("%lld ",n)
#define pfs(s) printf("%s\n",s)

bool cmp1(pii a, pii b){
    return a.ss<b.ss;
}

bool cmp2(ti a, ti b){
    return a.ss.ff<b.ss.ff;
}

bool cmp3(ti a, ti b){
    return a.ss.ss<b.ss.ss;
}

//\\ CODEFORCES \\//

#define ri(v, size) vector<int> v(size); for(int& x: v) cin>>x;
#define rpi(v, size) vector<pair<int, int>> v(size); for(auto& x: v) cin>>x.ff>>x.ss;
#define rt(n, size) vti(size); for(auto& x: v) cin>>x.ff>>x.ss.ff>>x.ss.ss;
#define srt(v) sort(all(v))
#define srt1(v) sort(all(v), cmp1)
#define srt2(v) sort(all(v), cmp2)
#define srt3(v) sort(all(v), cmp3)
#define yesr {cout<<"YES\n"; return;}
#define nor {cout<<"NO\n"; return;}
#define yes cout<<"YES\n"
#define no cout<<"NO\n"

inline void es(bool a){
    string res = a==true ? "YES\n" : "NO\n";
    cout<<res;
}

const int MAXN = 2e5+5, mod = 1e9+7;
const int INF = 1e18;

inline void mos(vector<int> a){
    for(int x: a) cout<<x<<" ";
    cout<<"\n";
}
void setIO(string name = "") {
	if (!name.empty()) {
		freopen((name + ".in").c_str(), "r", stdin);
		freopen((name + ".out").c_str(), "w", stdout);
	}
}

vi p(MAXN);
void sieve(){
    forn(i, MAXN) p[i] = i;
    for(int i = 2; i*i<MAXN; ++i){
        if(p[i] == i){
            for(int j = i*i; j<MAXN; j+=i) p[j] = i;
        }
    }
}

bool cmp(ti a, ti b){
	if(a.ff == b.ff) {
		if(a.ss.ff == b.ss.ff) return a.ss.ss<b.ss.ss;
		return a.ss.ff>b.ss.ff;
	}
	return a.ff>b.ff;
}

void solve();

int32_t main(){
	setIO();
	ios;
	sieve();
	int t = 1;
	while(t--){
	    solve();
	}


	fflush(stdin);
	fflush(stdout);
}

void solve(){
	int n, m, id; cin>>n>>m>>id;
	vii v(n, vi(m)); forn(i, n) for(int& x: v[i]) cin>>x;
	vi val(m, 0);
	forn(i, m){
		forn(j, n) val[i]+=1-v[j][i];
	}
	vti vp;
	forn(i, n){
		int vall = 0, vb = 0;
		forn(j, m){
			vall+=v[i][j]*val[j];
			vb+=v[i][j];
		}
		vp.pb({vall, {vb, i+1}});
	}
	sort(all(vp), cmp);
	forn(i, n) if(vp[i].ss.ss==id){
		cout<<vp[i].ff<<" "<<i+1;
	}
}
/*

*/

컴파일 시 표준 에러 (stderr) 메시지

poi.cpp: In function 'void setIO(std::string)':
poi.cpp:83:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   83 |                 freopen((name + ".in").c_str(), "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
poi.cpp:84:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   84 |                 freopen((name + ".out").c_str(), "w", stdout);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100