2026年8月13日 day2题解
2026-08-13 20:46:09
发布于:广东
https://www.acgo.cn/problemset/info/116561?teamCode=2042058713337094144
T116561.集卡册
#include<bits/stdc++.h>
using namespace std;
const int N=5e7+10;
#define ll long long
int a[N];
void solve(){
int n;cin>>n;
int q;cin>>q;
for(int i=1;i<=n;i++){
cin>>a[i];
}
sort(a+1,a+n+1);
while(q--){
int x;cin>>x;
cout<<upper_bound(a+1,a+n+1,x)-lower_bound(a+1,a+n+1,x)<<endl;
}
}
int main(){
int t=1;
// cin>>t;
while(t--){
solve();
}
}
https://www.acgo.cn/problemset/info/116568?teamCode=2042058713337094144
T116568.幸运数字
#include<bits/stdc++.h>
using namespace std;
const int N=2e5+10;
#define ll long long
ll a[N];
int main(){
int n,target;
cin>>n>>target;
for(int i=1;i<=n;i++)cin>>a[i];
sort(a+1,a+n+1);
a[0]=a[1];a[n+1]=a[n];
int inx=lower_bound(a+1,a+n+1,target)-a;
if(abs(a[inx]-target)>abs(a[inx-1]-target)){
cout<<a[inx-1]<<endl;
}else if(abs(a[inx]-target)<abs(a[inx-1]-target)){
cout<<a[inx]<<endl;
}else{
cout<<a[inx-1]<<endl;
}
}
https://www.acgo.cn/problemset/info/116570?teamCode=2042058713337094144
T116570.春游带零食
#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll Q=2e5+10;
ll n,m;
ll a[Q],b[Q];
ll pre[Q];
int main(){
cin>>n;
for(ll i=1;i<=n;i++) cin>>a[i];
cin>>m;
for(ll i=1;i<=m;i++) cin>>b[i];
sort(a+1,a+n+1);
for(ll i=1;i<=m;i++){
ll sum=0,ans=0;
for(ll j=1;j<=n;j++){
if(b[i]>=sum+a[j]){sum+=a[j];ans++;}
}
cout<<ans<<" ";
}
return 0;
}
https://www.acgo.cn/problemset/info/116578?teamCode=2042058713337094144
T116578.搭积木
#include<bits/stdc++.h>
using namespace std;
const int N=2e5+10;
#define ll long long
ll a[N];
ll check(ll x){
return x*x*x;
}
void solve(){
ll x;
cin>>x;
ll l=1,r=1e5,ans;
while(l<=r){
ll mid=(l+r)/2;
if(check(mid)<=x){
ans=mid;
l=mid+1;
}else{
r=mid-1;
}
}
cout<<ans<<endl;
}
int main(){
int t=1;
cin>>t;
while(t--){
solve();
}
}
https://www.acgo.cn/problemset/info/116580?teamCode=2042058713337094144
T116580.空瓶换汽水
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
const ll N=1e6+10;
ll n,m,q;
ll a[N];
ll check(ll x){//现在已经买了x瓶,计算总共可以得到多少瓶
ll empyt=0;//现有的空瓶子数量
ll sum=0;//累计总共喝了的瓶数
while(x){
sum+=x;//给x瓶全部喝完
empyt+=x;//全部变成空瓶子
x=empyt/3;//空瓶子换成饮料
empyt%=3;//剩余的空瓶子
}
return sum;
}
int main(){
cin>>n;
ll l=0,r=1e18,ans;
while(l<=r){
ll mid=(l+r)/2;
if(check(mid)>=n){
r=mid-1;
ans=mid;
}
else l=mid+1;
}
cout<<ans;
return 0;
}
https://www.acgo.cn/problemset/info/116582?teamCode=2042058713337094144
T116582.加时卡
#include<bits/stdc++.h>
using namespace std;
const int N=2e5+10;
#define ll long long
ll a[N];
ll n,h;
ll check(ll x){//计算当延长时间为x的时候能够游玩的总时间
ll sum=x;
for(int i=1;i<n;i++){
if(a[i+1]-a[i]>=x){
sum+=x;
}else{
sum+=a[i+1]-a[i];//加上剩余时间
}
}
return sum;
}
void solve(){
cin>>n>>h;
for(int i=1;i<=n;i++)cin>>a[i];
ll l=0,r=1e18,ans;
while(l<=r){
ll mid=(l+r)/2;
if(check(mid)>=h){
ans=mid;
r=mid-1;
}else{
l=mid+1;
}
}
cout<<ans<<endl;
}
int main(){
int t=1;
cin>>t;
while(t--){
solve();
}
}
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16天前 来自 广东
2






6天前 来自 广东
2# $\sf\color{lime}\Huge{AC}$6天前 来自 广东
1顶
6天前 来自 广东
1!?区区?!
6天前 来自 广东
11
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16天前 来自 广东
1kuashangbang!
6天前 来自 广东
1kuashangbang!
6天前 来自 广东
1d
6天前 来自 广东
1催更
6天前 来自 广东
1?!强强!?
6天前 来自 广东
11
6天前 来自 广东
0
6天前 来自 广东
0老师催更😃
6天前 来自 广东
0











































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