제출 #61147

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
61147		dukati8	Gap (APIO16_gap)	C++14	100 / 100	111 ms	3552 KiB

gap

#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for (int i=a; i<int(b); i++)

long long findGap(int T, int N)
{
	if (T==1) {
		vector<long long> vals;
		long long hi=1e18;
		long long lo=0;
		long long ans1,ans2;
		rep (i,0,(N+1)/2) {
			assert(lo<=hi);
			MinMax(lo,hi,&ans1,&ans2);
			vals.push_back(ans1);
			vals.push_back(ans2);
			lo=ans1+1;
			hi=ans2-1;
		}
		sort(vals.begin(),vals.end());
		long long maxdist=0;
		rep (i,0,vals.size()-1) {
			maxdist=max(maxdist,vals[i+1]-vals[i]);
			//cout << maxdist << endl;
		}
		return maxdist;
	}
	if (T==2) {
		long long NL=N;
		long long one=1;
		vector<long long> vals;
		long long hi,lo;
		MinMax(0,1e18,&lo,&hi);
		//Vi har nu max och min för alla tal.
		long long expdist=(hi-lo+NL-one-one)/(NL-one);
		vals.push_back(hi);
		vals.push_back(lo);
		//if (N==2) return hi-lo;
		for (long long i=0; i<NL-one;i++) {
			long long start,stop;
			start=lo+i*expdist;
			stop=start+expdist-1;
			//stop=lo+((i+one)*(hi-lo))/(NL-one);
			assert(start<=stop);
			long long ans1,ans2;
			MinMax(start,stop,&ans1,&ans2);
			if (ans1!=-1) vals.push_back(ans1);
			if (ans2!=-1) vals.push_back(ans2);
		}
		sort(vals.begin(),vals.end());
		long long maxdist=0;
		rep (i,0,vals.size()-1) maxdist=max(maxdist,vals[i+1]-vals[i]);
		//assert(maxdist>=expdist);
		return maxdist;
	}

}

컴파일 시 표준 에러 (stderr) 메시지

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:58:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70