Submission #583291

#	Time	Username	Problem	Language	Result	Execution time	Memory
583291		mosiashvililuka	ZIGZAG (INOI20_zigzag)	C++14	8 / 100	2091 ms	2656 KiB

Main

#include<bits/stdc++.h>
using namespace std;
long long a,b,c,d,e,i,j,ii,jj,zx,xc,tes,t,f[300009],pas,ZX,XC;
char tp;
int main(){
	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
    cin>>a>>tes;
    for(i=1; i<=a; i++) cin>>f[i];
    for(t=1; t<=tes; t++){
        cin>>tp;
        if(tp=='*'){
            cin>>c>>d;
            for(i=c; i<=d; i++) f[i]=-f[i];
            continue;
        }
        if(tp=='+'){
            cin>>c>>d>>e;
            for(i=c; i<=d; i++){
                f[i]+=e;
            }
            continue;
        }
        if(tp=='?'){
            cin>>c>>d;pas=0;
            /*for(i=d; i>=c; i--){
                pas++;e=0;
                for(j=i-1; j>=c; j--){
                    if(f[j]==f[j+1]) break;
                    if(f[j]<f[j+1]){
                        if(e==-1) break;
                        e=-1;
                    }else{
                        if(e==1) break;
                        e=1;
                    }
                    pas++;
                }
            }*/
            pas=1;
            zx=1;xc=1;
            for(i=d-1; i>=c; i--){
                if(f[i]==f[i+1]){
                    pas++;
                    zx=1;xc=1;

                    //cout<<i<<" "<<pas<<"\n";
                    continue;
                }
                pas++;
                if(f[i]<f[i+1]){
                    pas+=xc;
                    ZX=xc+1;XC=1;
                    zx=ZX;xc=XC;
                }else{
                    pas+=zx;
                    ZX=1;XC=zx+1;
                    zx=ZX;xc=XC;
                }
                //cout<<i<<" "<<pas<<"\n";
            }
            cout<<pas<<"\n";
            continue;
        }
    }
	return 0;
}

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