Submission

Score: 90

User: evevevie

Problemset: เลขดวง

Language: c

Time: 0.002 second

Submitted On: 2025-10-02 18:19:58

#include <stdio.h>
int main(){
    int maxdate, startdate, bday,i,j,row,column,x,y,wahaha=0;
    int calendar[6][7];
    for(i=0;i<6;i++){
        for(j=0;j<7;j++){
            calendar[i][j]=0;
        }
    }
    scanf("%d", &maxdate);
    scanf("%d", &startdate);
    scanf("%d", &bday);
//karenda-mahou
    i=1;
    for(row=0;row<6;row++){
        if(row==0){
            for(column=startdate-1;column<7;column++){
                if(i>maxdate){
                    break;
                }
                calendar[row][column]=i;
                i++;
            }
        } else if(row>0&&row<6){
            for(column=0;column<7;column++){
                if(i>maxdate){
                    break;
                }
                calendar[row][column]=i;
                i++;
            }
        }
    }
/* calendar print test
    for(i=0;i<6;i++){
        for(j=0;j<7;j++){
            printf("  %2d  ", calendar[i][j]);
        }
        printf("\n");
    }
*/
//pos det
    x=startdate-1;
    y=0;
    for(i=1;i<=42;i++){
        if(bday==calendar[y][x]){
            break;
        }
        x++;
        if(x==7){
            y++;
            x=0;
        }
    }
//sumtop
    if(y==0){
        wahaha+=0;
    }else{
        wahaha+=calendar[y+1][x];
    }
//sumleft
    if(x==0){
        wahaha+=0;
    }else{
        wahaha+=calendar[y][x-1];
    }
//sumright
    if(x==6){
        wahaha+=0;
    }else{
        wahaha+=calendar[y][x+1];
    }
//sumdown
    if(y==6){
        wahaha+=0;
    }else{
        wahaha+=calendar[y-1][x];
    }
//output
    printf("%d", wahaha);
}