Submission #323179

#	Time	Username	Problem	Language	Result	Execution time	Memory
323179		couplefire	Gap (APIO16_gap)	C++17	0 / 100	35 ms	1236 KiB

gap

#include "gap.h"
#include <bits/stdc++.h>
using namespace std;

long long solve1(int n){
	queue<long long> left; stack<long long> right;
	int cl = 0, cr = 1000000000000000000;
	while(left.size()+right.size() < n){
		long long a, b;
		MinMax(cl, cr, &a, &b);
		left.push(a); right.push(b);
		cr = b-1, cl = a+1;
	}
	vector<long long> v;
	while(!left.empty()){
		v.push_back(left.front());
		left.pop();
	}
	while(!right.empty()){
		v.push_back(right.top());
		right.pop();
	}
	long long ans = 0;
	for(int i = 1; i<v.size(); i++) ans = max(ans, v[i]-v[i-1]);
	return ans;
}

void solve2(int n){

}

long long findGap(int T, int N){
	if(T == 2) return solve1(N);
	return 0;
}

Compilation message (stderr)

gap.cpp: In function 'long long int solve1(int)':
gap.cpp:7:19: warning: overflow in conversion from 'long int' to 'int' changes value from '1000000000000000000' to '-1486618624' [-Woverflow]
    7 |  int cl = 0, cr = 1000000000000000000;
      |                   ^~~~~~~~~~~~~~~~~~~
gap.cpp:8:33: warning: comparison of integer expressions of different signedness: 'std::queue<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    8 |  while(left.size()+right.size() < n){
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
gap.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |  for(int i = 1; i<v.size(); i++) ans = max(ans, v[i]-v[i-1]);
      |                 ~^~~~~~~~~

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70