暴力模拟入门
P1038 小红书-2022.9.23-零件组装
#include <bits/stdc++.h>
#include <cstdint>
using namespace std;
typedef long long LL;
const int N = 100001;
int num[4];
LL d;
vector<vector<LL>> v(4, vector<LL>(N));
int main()
{
for(int i=0; i<4;i++)
cin >> num[i];
cin >> d;
for(int i=0; i<4; i++)
{
for(int j=0;j<num[i]; j++)
{
cin>>v[i][j];
}
}
int res = INT_MAX;
for(int i=0; i<4; i++)
{
int count = 0;//每种木头可以做木凳的最小值
for(int j=0;j<num[i]; j++)
{
if(v[i][j] >= d) count++;
//cout << "v[i][j] = " <<v[i][j] << "\tcount = " << count << endl;
}
res = min(res, count);
}
cout << res << endl;
return 0;
}
P1107 腾讯音乐-2023.3.23-第三题-塔子的签到题
#include <iostream>
using namespace std;
typedef long long LL;
int main()
{
string str;
cin >> str;
LL len = str.length();
//str = "AasdxXxdxaCcCa";
int res = 0;
for (LL i = 1; i <= len; i++)
{
//cout << "str[i-1] = " << str[i-1]-'A'<<endl;
//cout << "str[i-1] = " << str[i-1] << "\tstr[i] = " << str[i] << endl;
if(abs(str[i]-str[i-1]) == 32 || (abs(str[i]-str[i-1])==0)) res++;
}
cout << res << endl;
return 0;
}
暴力模拟简单
P1128 腾讯音乐-2023.03.26-第一题-塔子哥考试
计算一下待测答案有多少个在标准答案出现过即可。根据大小关系比就行。
#include <bits/stdc++.h>
#include <unordered_map>
using namespace std;
const int N10 = 1e5 + 10;
int n;
vector<string> v1(N10);
vector<string> v2(N10);
int getScores(string chioce, string answer)
{
unordered_set<char> s1, s2;
for(char &ch1 : chioce) s1.insert(ch1);
for(char &ch2 : answer) s2.insert(ch2);
bool flag=true;
for(auto &ch : s1)
{
if(s2.count(ch) == 0) flag = false;
}
if(flag)
{
if(chioce.size() == answer.size()) return 3;
return 1;
}
return 0;
}
int main()
{
cin >> n;
for (int i = 0; i < n; i++)
cin >> v1[i];
for (int i = 0; i < n; i++)
cin >> v2[i];
int res = 0;
for(int i=0; i<n; i++)
{
res += getScores(v1[i], v2[i]);
}
cout << res << endl;
return 0;
}
P1030 华为od-2022.11.27-平均像素值
#include<bits/stdc++.h>
#include<iostream>
using namespace std;
int v[102];
int get(int a)
{
if(a < 0) return 0;
if(a > 255) return 255;
return a;
}
int main()
{
int res=0,mi=100000000;
int index = 0;
while(cin >> v[index])
index++;
//注意到整数k范围不大,最低不会低于-255,最高不会到255,
//所以直接枚举这个范围内的每个数作为k,然后得到最优解即可。
for(int i=-255; i<= 255; i++)
{
int sum = 0;
for(int j=0; j<index; j++)
{
sum += get(v[j] + i);//新像素值求和
}
int nowsum = abs(sum - 128 * index);//差值
if(nowsum < mi)
{
mi = nowsum;
res = i;
}
}
cout << res << endl;
return 0;
}