Submission #439442

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
4394422021-06-30 02:09:38haojiandanBit Shift Registers (IOI21_registers)C++17
71 / 100
2 ms620 KiB
#include "registers.h"
#include <bits/stdc++.h>
using namespace std;
void construct_instructions(int s, int n, int k, int q) {
int m=100,b=2000;
vector<bool> A(b,0);
for (int i=n*k;i<b;i++) A[i]=1; append_store(99,A);
int r1=98,r2=97,A0=96,A1=95;
for (int i=0;i<b;i++) if ((i/k)%2==0) A[i]=1; else A[i]=0;
append_store(r1,A);
for (int i=0;i<b;i++) if (i%(k*2)==0) A[i]=1; else A[i]=0;
append_store(r2,A);
if (s==0) {
append_or(0,0,99);
int a=1;
while (a<n) {
append_right(1,0,a*k);
a*=2;
append_not(2,1);
append_and(2,2,r1);
append_and(0,0,r1);
append_add(3,0,2);
append_right(3,3,k);
append_and(3,3,r2);
append_add(3,3,r1);
append_and(A0,3,0);
append_not(3,3);
append_and(A1,3,1);
 
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Compilation message (stderr)

registers.cpp: In function 'void construct_instructions(int, int, int, int)':
registers.cpp:8:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    8 |    for (int i=n*k;i<b;i++) A[i]=1; append_store(99,A);
      |    ^~~
registers.cpp:8:36: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
    8 |    for (int i=n*k;i<b;i++) A[i]=1; append_store(99,A);
      |                                    ^~~~~~~~~~~~
registers.cpp:6:6: warning: unused variable 'm' [-Wunused-variable]
    6 |  int m=100,b=2000;
      |      ^
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