제출 #521382

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
521382	2022-02-02 02:44:54	Yazan_Alattar	Friends (BOI17_friends)	C++14	100 / 100	150 ms	8144 KiB

friends

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#include <iostream>
#include <fstream>
#include <vector>
#include <cstring>
#include <algorithm>
#include <set>
#include <map>
#include <queue>
#include <list>
#include <stack>
#include <utility>
#include <cmath>
#include <numeric>
#include <assert.h>
using namespace std;
typedef long long ll;
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(x) x.begin(), x.end()
const int M = 3007;
const ll inf = 1e18;
const ll mod = 1e9 + 7;
const double pi = acos(-1);
const int dx[] = {1, 0, -1, 0}, dy[] = {0, 1, 0, -1};
void close(){ cout << "detention" << endl; exit(0); }
stack <int> stk;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

friends.cpp: In function 'bool valid(std::vector<int>)':
friends.cpp:41:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   41 |     return (v.size() <= P && q <= Q);
      |             ~~~~~~~~~^~~~
friends.cpp: In function 'void get(int, int, int, bool)':
friends.cpp:46:71: warning: comparison of integer expressions of different signedness: 'std::stack<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   46 |     if(!group[source].empty() || p > P || q > Q || p + q + stk.size() > P + Q) return;
      |                                                    ~~~~~~~~~~~~~~~~~~~^~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 37 / 37
• Subtask 3: 12 / 12
• Subtask 4: 31 / 31