Submission #512656

#	Time	Username	Problem	Language	Result	Execution time	Memory
512656		David_M	MalnaRISC (COI21_malnarisc)	C++14	100 / 100	1 ms	204 KiB

malnarisc

#include <bits/stdc++.h>
#define pb push_back
using namespace std;
int n, T=1;
vector <pair<int,int> > v[30];
void add(int x, int y, int t){
    x++; y++;
    if(x>n || y>n)return;
    v[t].pb({x, y});T=t;
}
 
int merge(int l, int r, int t){
    int m=l+r>>1, e=r-l>>1;
    while(e){
        for (int i=l; i<r; i++)if((i/e-m/e)&1 && i+e<r)add(i, i+e, t);
        e>>=1;
        t++;
    }
    return t;
}
 
int solve(int l, int r, int t=1){
    if(l+1==r)return t;
    int tt;
    tt=solve(l, l+r>>1, t);
    tt=solve(l+r>>1, r, t);
    tt=merge(l, r, tt);
    return tt;
}
 
void output(){
    cout<<T<<'\n';
    for (int i=1; i<=T; i++){
        for(auto [x,y]:v[i])cout<<"CMPSWP R"<<x<<" R"<<y<<" ";
        cout<<'\n';
    }
}
 
main(){
	cin>>n;
	int k=1;
	while(k<n)k<<=1;
	solve(0, k);
    output();
}

Compilation message (stderr)

malnarisc.cpp: In function 'int merge(int, int, int)':
malnarisc.cpp:13:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   13 |     int m=l+r>>1, e=r-l>>1;
      |           ~^~
malnarisc.cpp:13:22: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
   13 |     int m=l+r>>1, e=r-l>>1;
      |                     ~^~
malnarisc.cpp: In function 'int solve(int, int, int)':
malnarisc.cpp:25:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   25 |     tt=solve(l, l+r>>1, t);
      |                 ~^~
malnarisc.cpp:26:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   26 |     tt=solve(l+r>>1, r, t);
      |              ~^~
malnarisc.cpp: In function 'void output()':
malnarisc.cpp:34:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   34 |         for(auto [x,y]:v[i])cout<<"CMPSWP R"<<x<<" R"<<y<<" ";
      |                  ^
malnarisc.cpp: At global scope:
malnarisc.cpp:39:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   39 | main(){
      | ^~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10