제출 #132121

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
132121		MvC	가로등 (APIO19_street_lamps)	C++11	20 / 100	182 ms	1472 KiB

street_lamps

#pragma GCC target("avx2")
#pragma GCC optimization("O3")
#pragma GCC optimization("unroll-loops")
#include<bits/stdc++.h>
//#include "aliens.h"
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define mkp make_pair
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<62);
const int inf=(1<<30);
const int nmax=1e2+50;
const int mod=1e9+7;
using namespace std;
int n,q,a[nmax],nr[nmax][nmax],x,y,i,j;
string s;
char c;
int main()
{
	//freopen("sol.in","r",stdin);
	//freopen("sol.out","w",stdout);
	//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
	cin>>n>>q;
	for(i=1;i<=n;i++)
	{
		cin>>c;
		a[i]=c-'0';
	}
	while(q--)
	{
		for(i=1;i<=n;i++)
		{
			for(j=i;j<=n;j++)
			{
				if(!a[j])break;
				nr[i][j]++;
			}
		}
		cin>>s;
		if(s[0]=='t')
		{
			cin>>x;
			a[x]^=1;
		}
		else
		{
			cin>>x>>y;
			cout<<nr[x][y-1]<<'\n';
		}
	}
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

street_lamps.cpp:2:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("O3")
 
street_lamps.cpp:3:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("unroll-loops")

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20