Submission #00055

ソースコード

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//#define _GLIBCXX_DEBUG
#include<bits/stdc++.h>
using namespace std;
template <class A, class B> inline bool chmax(A &a, const B &b) { return b > a && (a = b, true); }
template <class A, class B> inline bool chmin(A &a, const B &b) { return b < a && (a = b, true); }
typedef long long ll;
typedef vector<int> vint;
typedef pair<int, int> pint;
typedef vector<long long> vlong;
typedef vector<string> vstring;
#define vpush(a,x) a.push_back(x);
#define rep(i, n) REP(i, 0, n)
#define all(v) v.begin(), v.end()
#define REP(i, x, n) for(int i = x; i < n; i++)
const int INF = 1 << 30;
const int dx[] = {1,0,-1,0,1,1,-1,-1};
const int dy[] = {0,-1,0,1,1,-1,-1,1};
#define stp(x) setprecision(x)
const long double PI=3.14159265358979323846264338327950;
int main(){
cin.tie(nullptr);
ios::sync_with_stdio(false);
int n;
cin>>n;
vlong a(n);
rep(i,n){
cin>>a[i];
}
map<ll,int> M;
int cnt=0,fg=0,now=0;
bool fg2=false;
rep(i,n){
if(now>a[i] && fg==0){
M[now]--;
fg=1;
}
if(now<a[i] && fg==1){
M[now]++;
fg=0;
}
if(a[i]!=0){
fg2=true;
}
now=a[i];
}
int max=0;
for(auto x:M){
cnt+=x.second;
// cout<<x.first<<' '<<x.second<<'\n';
chmax(max,cnt);
}
if(fg2){
max++;
}
cout<<max<<'\n';
return(0);
}
//#define _GLIBCXX_DEBUG
#include<bits/stdc++.h>
using namespace std;
template <class A, class B> inline bool chmax(A &a, const B &b) { return b > a && (a = b, true); }
template <class A, class B> inline bool chmin(A &a, const B &b) { return b < a && (a = b, true); }
typedef long long ll;
typedef vector<int> vint;
typedef pair<int, int> pint;
typedef vector<long long> vlong;
typedef vector<string> vstring;
#define vpush(a,x) a.push_back(x);
#define rep(i, n) REP(i, 0, n)
#define all(v) v.begin(), v.end()
#define REP(i, x, n) for(int i = x; i < n; i++)
const int INF = 1 << 30;
const int dx[] = {1,0,-1,0,1,1,-1,-1};
const int dy[] = {0,-1,0,1,1,-1,-1,1};
#define stp(x) setprecision(x)
const long double PI=3.14159265358979323846264338327950;
int main(){
cin.tie(nullptr);
ios::sync_with_stdio(false);
int n;
cin>>n;
vlong a(n);
rep(i,n){
cin>>a[i];
}
map<ll,int> M;
int cnt=0,fg=0,now=0;
bool fg2=false;
rep(i,n){
if(now>a[i] && fg==0){
M[now]--;
fg=1;
}
if(now<a[i] && fg==1){
M[now]++;
fg=0;
}
if(a[i]!=0){
fg2=true;
}
now=a[i];
}
int max=0;
for(auto x:M){
cnt+=x.second;
// cout<<x.first<<' '<<x.second<<'\n';
chmax(max,cnt);
}
if(fg2){
max++;
}
cout<<max<<'\n';
return(0);
}

ステータス

項目 データ
問題 0004 - 日本沈没 (Japan Sinks)
ユーザー名 ei1918
投稿日時 2020-12-08 17:52:03
言語 C++17
状態 Compile Error
得点 0
ソースコード長 2734 Byte
最大実行時間 -
最大メモリ使用量

コンパイルメッセージ

./Main.cpp:61:41: error: redefinition of ‘template<class A, class B> bool chmax(A&, const B&)’
 template <class A, class B> inline bool chmax(A &a, const B &b) { return b > a && (a = b, true); }
                                         ^~~~~
./Main.cpp:4:41: note: ‘template<class A, class B> bool chmax(A&, const B&)’ previously declared here
 template <class A, class B> inline bool chmax(A &a, const B &b) { return b > a && (a = b, true); }
                                         ^~~~~
./Main.cpp:62:41: error: redefinition of ‘template<class A, class B> bool chmin(A&, const B&)’
 template <class A, class B> inline bool chmin(A &a, const B &b) { return b < a && (a = b, true); }
                                         ^~~~~
./Main.cpp:5:41: note: ‘template<class A, class B> bool chmin(A&, const B&)’ previously declared here
 template <class A, class B> inline bool chmin(A &a, const B &b) { return b < a && (a = b, true); }
                                         ^~~~~
./Main.cpp:72:11: error: redefinition of ‘const int INF’
 const int INF = 1 << 30;
           ^~~
./Main.cpp:15:11: note: ‘const int INF’ previously defined here
 const int INF = 1 << 30;
           ^~~
./Main.cpp:73:14: error: redefinition of ‘const int dx []’
 const int dx[] = {1,0,-1,0,1,1,-1,-1};
              ^
./Main.cpp:16:11: note: ‘const int dx [8]’ previously defined here
 const int dx[] = {1,0,-1,0,1,1,-1,-1};
           ^~
./Main.cpp:74:14: error: redefinition of ‘const int dy []’
 const int dy[] = {0,-1,0,1,1,-1,-1,1};
              ^
./Main.cpp:17:11: note: ‘const int dy [8]’ previously defined here
 const int dy[] = {0,-1,0,1,1,-1,-1,1};
           ^~
./Main.cpp:76:19: error: redefinition of ‘const long double PI’
 const long double PI=3.14159265358979323846264338327950;
                   ^~
./Main.cpp:19:19: note: ‘const long double PI’ previously defined here
 const long double PI=3.14159265358979323846264338327950;
                   ^~
./Main.cpp:77:5: error: redefinition of ‘int main()’
 int main(){
     ^~~~
./Main.cpp:20:5: note: ‘int main()’ previously defined here
 int main(){
     ^~~~

セット

セット 得点 Cases

テストケース

ファイル名 状態 実行時間 メモリ使用量 #