Submission #222487

#	Time	Username	Problem	Language	Result	Execution time	Memory
222487		oolimry	Popcount (COCI19_popcount)	C++14	30 / 110	6 ms	384 KiB

popcount

#include <bits/stdc++.h>

using namespace std;

int N, K;
/*
void subtask1(){
	printf("%d\n",(N-1)/2);
	for(int i = 1;i < N;i += 2){
		printf("A=((A+(((A&(1<<%d))>>%d)-(A&(1<<%d))))+(((A&(1<<%d))>>%d)-(A&(1<<%d))))\n", i, i, i, i + 1, i + 1,i + 1);
	}
}
* */
void subtask1(){
	printf("%d\n",N-1);
	for(int i = 1;i < N;i++){
		printf("A=((A+((A&(1<<%d))>>%d))-(A&(1<<%d)))\n", i, i, i);
	}
}

void subtask2(){
	vector<string> ans;
	printf("128\n");
	bool mode = false;
	for(int i = 1;i < 9;i += 2){
		printf("A=((A+(((A&(1<<%d))>>%d)-(A&(1<<%d))))+(((A&(1<<%d))>>%d)-(A&(1<<%d))))\n", i, i, i, i + 1, i + 1,i + 1);
	}
	for(int i = 9;i < 501;i += 4){
		printf("A=((((A+((A&(1<<%d))>>%d))+((A&(1<<%d))>>%d))+((A&(1<<%d))>>%d))+((A&(1<<%d))>>%d))\n", i,i,i+1,i+1,i+2,i+2,i+3,i+3);
	}
	
	printf("A=(A&511)");
}
//A=((A+(((A&(1<<%d))>>%d)))-((A&(1<<%d))))



int main(){
	cin >> N >> K;
	
	if(N == K + 1) subtask1();
	else subtask2();
}

Compilation message (stderr)

popcount.cpp: In function 'void subtask2()':
popcount.cpp:24:7: warning: unused variable 'mode' [-Wunused-variable]
  bool mode = false;
       ^~~~

• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 0 / 35
• Subtask 4: 0 / 45