제출 #1003413

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1003413		vjudge1	ZIGZAG (INOI20_zigzag)	C++17	0 / 100	16 ms	13660 KiB

Main

#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
  #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#define int ll
#define MAX 100001
#define INF INT_MAX
#define MOD 1000000007
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ins insert
#define ff first
#define ss second 

#define all(a) a.begin(),a.end()
#define lb(a,b) lower_bound(all(a),b)
#define ub(a,b) upper_bound(all(a),b)
#define sortv(a) sort(all(a))
#define outputar(a,b){\
    for(int i=0;i<b;i++){\
        cout << a[i] << " ";\
    }\
    cout << endl;\
}
#define outputvec(a){\
    for(auto x:a){\
        cout << (int)x << " ";\
    }\
    cout << endl;\
}
#define reset(a,n,v){\
    for(int i=0;i<n;i++){\
        a[i]=v;\
    }\
}
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef tuple<ll,ll,ll> tll;
typedef pair<ll,ll> pll;
typedef pair<int,int> pii;
typedef double db;
typedef long double ldb;
inline void USACO(string filename){
  freopen((filename+".in").c_str(),"r",stdin);
  freopen((filename+".out").c_str(),"w",stdout);
}
int n,q,t=1,m,k,x,y,z,x2,y2,z2,a[MAX],b[MAX],d[MAX],e[MAX];
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
string s[MAX],str[MAX];
//int e[1001][1001];
string s1,s2,s3;
const int mod = 998244353;
int dx[4]={0,1,0,-1};
int dy[4]={1,0,-1,0};
void solve(){
    cin >> n >> q; 
    for(int i=0;i<n;i++){
        cin >> a[i];
    }
    for(int i=0;i<q;i++){
        char d; 
        cin >> d;
        if(d=='?'){
            cin >> x >> y;
            x--; 
            y--;
            vector<int> c;
            for(int j=x+1;j<=y;j++){
                if(a[j]>a[j-1]){
                    c.pb(1);
                }
                else if(a[j]<a[j-1]){
                    c.pb(0);
                }
                else{
                    c.pb(2);
                }
            }
            int sz=(int)c.size(); 
            for(int j=0;j<sz;j++){
                b[j]=0;
            }
            if(c[0]!=2){
                b[0]=1;
            }
            for(int j=1;j<sz;j++){
                if(c[j]!=2){
                    b[j]=1;
                    if(c[j-1]==1-c[j]){
                        b[j]+=b[j-1];
                    }
                }
            }
            int res=y-x+1;
            for(int j=0;j<sz;j++){
                res+=b[j];
            }
            cout << res << "\n";
        }
        else if(d=='+'){
            cin >> x >> y >> z;
            x--; 
            y--;
            for(int j=x;j<=y;j++){ 
                a[j]+=z;
            }
        }
        else{
            cin >> x >> y;
            x--; 
            y--;
            for(int j=x;j<=y;j++){
                a[j]*=-1;
            }
        }
    }
}
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    //freopen("input13.txt","r",stdin);
    //cin >> t;
    ll cnt1=1;
    while(t--){
        solve();
        cnt1++; 
    }
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 42
• Subtask 3: 0 / 35
• Subtask 4: 0 / 15