Submission #16840

#TimeUsernameProblemLanguageResultExecution timeMemory
16840sinceww77볼질 (OJUZ10_ballparade)C++98
22 / 100
8 ms1276 KiB
#include <stdio.h> int data[50010],c[5]; int main() { int i,j,n,m,b=0,tot=0; scanf("%d\n",&n); for(i=0;i<n;i++) { scanf("%d ",&m); if(m==1) b++; if(b==4) { if(c[3]==1) { c[3]=0; tot+=1; } if(c[2]==1) { c[2]=0; c[3]=1; } if(c[1]==1) { c[2]=1; } b=0; } if(m==2) { if(c[3]==1) { c[3]=0; tot+=1; } if(c[2]==1) { c[2]=0; c[3]=1; } if(c[1]==1) { c[2]=1; } c[1]=1; b=0; } if(m==3) { if(c[3]==1) { c[3]=0; tot+=1; } if(c[2]==1) { c[2]=0; c[3]=1; } if(c[1]==1) { c[1]=0; c[2]=1; } b=0; } } printf("%d",tot); return 0; }
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