#include<stdio.h>
int H,W;
int main(){
scanf("%d%d",&H,&W);
int x,y,c;
printf("%d",2*H*W);
if(H%2==0){
x=1; y=2; c=0;
printf("\n1 1 1\n1 1 0");
for(;x!=1||y!=1;){
printf("\n%d %d %d",x,y,c);
if(x==H){
if(c==y%2)c=1-y%2;
else{
if(y==1)x--,y=1,c=1;
else y--,c=y%2;
}
}else if(y==1){
if(c)c=0;
else{
x--; c=1;
}
}else if(x%2==1){
if(!c)c=1;
else{
if(y==W)x++,y=W,c=(W%2);
else y++,c=0;
}
}else if(x%2==0){
if(c==y%2)c=1-y%2;
else{
if(y==2)x++,y=2,c=0;
else y--,c=y%2;
}
}
}
}else if(W%2==0){
x=1; y=2; c=0;
printf("\n1 1 1\n1 1 0");
for(;x!=1||y!=1;){
printf("\n%d %d %d",x,y,c);
if(x==1){
if(!c)c=1;
else{
if(y==W)x++,c=0;
else y++,c=0;
}
} else if(y==1){
if(c)c=0;
else x--,c=1;
} else if(y%2==0){
if(x==H){
if(c)c=0;
else y--,c=1;
}else{
if(c==x%2)c=1-c;
else c=(++x)%2;
}
} else if(y%2==1){
if(x==2){
if(c)c=0;
else y--,c=0;
}else{
if(c)c=0;
else c=1,x--;
}
}
}
}else if(H==3){
printf("\n3 1 1\n3 1 0\n2 1 1\n2 1 0\n1 1 1\n1 1 0\n1 2 0\n2 2 0\n1 2 1");
x=1; y=3; c=0;
for(;x==1;){
printf("\n%d %d %d",x,y,c);
if(!c)c=1;
else{
if(y==W)x=2,y=W,c=1;
else y++,c=0;
}
}
for(int i=0;x!=3||y!=3||c!=1;i++){
printf("\n%d %d %d",x,y,c);
switch((i/2)%4){
case 0:
if(c)c=0;
else x++,c=0;
break;
case 1:
if(!c)c=1;
else y--,c=1;
break;
case 2:
if(c)c=0;
else x--,c=1;
break;
case 3:
if(c)c=0;
else y--,c=1;
break;
}
}
printf("\n2 3 1\n2 2 1\n2 3 0");
}else{
x=H; y=1; c=1;
for(;x!=1||y!=1||c!=0;){
printf("\n%d %d %d",x,y,c);
if(c)c=0;
else x--,c=1;
}
for(;x!=1||y!=W-2||c!=0;){
printf("\n%d %d %d",x,y,c);
if(x==H-2&&y==2&&!c)printf("\n%d 2 0",H-1);
if(y%2){
if(c)c=0;
else{
if(x==1)y++,c=0;
else x--,c=1;
}
}else{
if(!c)c=1;
else{
if(x==H-2)y++,c=1;
else x++,c=0;
}
}
}
printf("\n%d %d %d",x,y,c);
y++;
for(;x<H-1;){
printf("\n%d %d %d",x,y,c);
if(x%2){
if(!c)c=1;
else{
if(y==W)x++,c=y%2;
else y++,c=0;
}
}else{
if(c==y%2)c=1-c;
else{
if(y==W-1)x++,c=0;
else c=(--y)%2;
}
}
}
for(int i=0;y>2;i++){
printf("\n%d %d %d",x,y,c);
switch((i/2)%4){
case 0:
if(c)c=0;
else x++,c=0;
break;
case 1:
if(!c)c=1;
else y--,c=1;
break;
case 2:
if(c)c=0;
else x--,c=1;
break;
case 3:
if(c)c=0;
else y--,c=1;
break;
}
}
printf("\n%d 2 1\n%d 2 1\n%d 2 0",H,H-1,H);
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
884 KB |
Output is correct |
2 |
Correct |
0 ms |
884 KB |
Output is correct |
3 |
Correct |
0 ms |
884 KB |
Output is correct |
4 |
Correct |
0 ms |
884 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
884 KB |
Output is correct |
2 |
Correct |
0 ms |
884 KB |
Output is correct |
3 |
Correct |
0 ms |
884 KB |
Output is correct |
4 |
Correct |
0 ms |
884 KB |
Output is correct |
5 |
Correct |
0 ms |
884 KB |
Output is correct |
6 |
Correct |
0 ms |
884 KB |
Output is correct |
7 |
Correct |
1 ms |
884 KB |
Output is correct |
8 |
Correct |
0 ms |
884 KB |
Output is correct |
9 |
Correct |
0 ms |
884 KB |
Output is correct |
10 |
Correct |
2 ms |
884 KB |
Output is correct |
11 |
Correct |
2 ms |
884 KB |
Output is correct |
12 |
Correct |
3 ms |
884 KB |
Output is correct |
13 |
Correct |
2 ms |
884 KB |
Output is correct |
14 |
Correct |
3 ms |
884 KB |
Output is correct |
15 |
Correct |
3 ms |
884 KB |
Output is correct |
16 |
Correct |
3 ms |
884 KB |
Output is correct |