Submission #844555

#	Time	Username	Problem	Language	Result	Execution time	Memory
844555		vjudge1	Nivelle (COCI20_nivelle)	C++17	0 / 110	2 ms	348 KiB

nivelle

// Imagine not FFT
#include <bits/stdc++.h>
 
#ifndef ONLINE_JUDGE
    #define DEBUG(x) std::cerr << #x << ": " << x << std::endl;
    #define DEBUGV(x) std::cerr << #x << ": { "; for(auto ___y:x) std::cerr << ___y << " "; std::cerr << "}" << std::endl;
    #define DEBUGVV(x) std::cerr << #x << ": { \n"; for(int _i=0;_i<sz(x);++_i) {DEBUGV(x[_i]);} std::cerr << "}" << std::endl;
	#define DEBUGVP(x) std::cerr << #x << ": { "; for(auto ___y:x) std::cerr << "{" << ___y.first << "," << ___y.second << "}" << " "; std::cerr << "}" << std::endl;
	#define files freopen("in.txt","r",stdin);freopen("out.txt","w",stdout);
    #define fastio std::ios_base::sync_with_stdio(false); std::cin.tie(nullptr); std::cout.tie(nullptr);
#else
    #define fastio std::ios_base::sync_with_stdio(false); std::cin.tie(nullptr); std::cout.tie(nullptr);
    #define DEBUG(...) void(23)
    #define DEBUGV(x) void(23);
    #define DEBUGARR(arr, size) void(23)
    #define DEBUGPRINT(...) void(23)
    #define DEBUGMAP(...) void(23)
    #define DEBUGMAPQUEUE(...) void(23)
    #define DEBUGVV(x) void(23);
    #define DEBUGVP(x) void(23);
    #define files void(23);
#endif

#define int long long
#define ll long long
 
#define pb push_back
#define ff first
#define ss second
#define pii std::pair < int , int >
#define pll std::pair < ll , ll >
#define vi std::vector < ll >
#define vl std::vector < int >
#define vii std::vector < pii >
#define vll std::vector < pll >
#define vvi std::vector < vi >
#define vvii std::vector < vii >
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define forn(i,j) for(int i=0;i<j;i++)
#define forr(i,j,k) for(int i=j;i<k;i++)
 
#define mset multiset
#define pqueue priority_queue
#define cmax(a,b) (a = max(a,b))
#define cmin(a,b) (a = min(a,b))
 
#define sz(a) (int)(a.size())
     
using namespace std;

void solve(int _t_case){
	int ans = 0, tot=0,al=-1,ar=-1,l=-1,r=-1;
	char last_char='-';
	int n;
	cin >> n;
	for(int i=0;i<n;i++){
		char c;
		cin >> c;
		if(last_char!=c){
			last_char=c;
			r=i;
			if(tot>ans) al=l,ar=r,ans=tot;
			l=i+1;
			tot=0;
		}
		else ++tot;
		DEBUG(last_char)
	}
	if(tot>ans) al=l,ar=r;
	cout << al << " " << ar << endl;
    return;
}

signed main(){
    fastio;
    files;
    int t=1,_t=0;
//    std::cin >> t;
    while(_t<t){
        ++_t;
        solve(_t);
    }
    return 0;
}

Compilation message (stderr)

nivelle.cpp: In function 'int main()':
nivelle.cpp:9:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |  #define files freopen("in.txt","r",stdin);freopen("out.txt","w",stdout);
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
nivelle.cpp:77:5: note: in expansion of macro 'files'
   77 |     files;
      |     ^~~~~
nivelle.cpp:9:51: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |  #define files freopen("in.txt","r",stdin);freopen("out.txt","w",stdout);
      |                                            ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
nivelle.cpp:77:5: note: in expansion of macro 'files'
   77 |     files;
      |     ^~~~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 17
• Subtask 3: 0 / 13
• Subtask 4: 0 / 25
• Subtask 5: 0 / 48