Submission #748731

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
748731	2023-05-26 19:46:46	Username4132	Pick (COI18_pick)	C++14	100 / 100	1 ms	212 KiB

pick

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#include<iostream>
#include<vector>
using namespace std;
#define forn(i, n) for(int i=0; i<(int)n; ++i)
#define dforn(i, n) for(int i=n-1; i>=0; --i)
#define PB push_back
const int dx[8]={1, 1, 0, -1, -1, -1, 0, 1}, dy[8]={0, 1, 1, 1, 0, -1, -1, -1};
int cn[4];
vector<int> path;
int orient(int dir, int ori){
    if(ori==0) return dx[dir]>0? dir : dir^4;
    if(ori==1) return dy[dir]>0? dir : dir^4;
    if(ori==2) return dx[dir]<0? dir : dir^4;
    return dy[dir]<0? dir : dir^4;
}
int main(){
    scanf("%d %d %d %d", cn, cn+2, cn+1, cn+3);
    if(!(cn[0] || cn[2])){
        forn(i, cn[1]/2) path.PB(1);
        forn(i, cn[3]/2) path.PB(3);
        path.PB(5);
        forn(i, (cn[3]/2) - 1) path.PB(7);
        forn(i, (cn[1]/2) - 1) path.PB(5);
        path.PB(7);
    }
    else if((cn[1]^cn[3])&1){
        int di[2][2], fi[2], ori[2], dir;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

pick.cpp: In function 'int main()':
pick.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     scanf("%d %d %d %d", cn, cn+2, cn+1, cn+3);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• 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: 20 / 20