Time Lapse :4hour 23min 43sec
3954.c
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| #include <stdio.h>
#include <memory.h>
#define gc() getchar_unlocked()
int mem[100001];
char input[4096];
char data[4096];
int LOOPINFO[4096][2];
int stack[4096];
int fRI() {
register int N = gc(), r = 0;
for (; 0x30>N || N>0x3A; N = gc());
do {
r = (r << 3) + (r << 1) + (N & 0b1111); N = gc();
} while (0x30 <= N);
return r;
}
int main(int argc, char** argv) {
register int T = fRI(), sm, sc, si, pointer, idx, inputidx, j, jump;
while (T--) {
sm = fRI(); sc = fRI(); si = fRI();
memset(mem, 0, sizeof(int)*sm);
memset(LOOPINFO, 0, sizeof(LOOPINFO));
pointer = idx = inputidx = jump = 0;
for (j = 0; j <= sc; ++j) {
input[j] = gc();
if (input[j] == '[') {
stack[pointer++] = j;
}
else if (input[j] == ']') {
LOOPINFO[j][0] = stack[--pointer];
LOOPINFO[stack[pointer]][0] = j;
}
}
for (j = 0; j <= si; ++j)
data[j] = gc();
pointer = 0;
for (j = 0; j <= 50000000&&idx<sc; j++) {
switch (input[idx]) {
case '-': mem[pointer] = mem[pointer] ? mem[pointer] - 1 : 255; jump = 0;break;
case '+': mem[pointer] = !((mem[pointer] + 1) ^ 256) ? 0 : mem[pointer] + 1; jump = 0; break;
case '<': pointer = pointer ? pointer - 1 : sm - 1; jump = 0; break;
case '>': pointer = !((pointer + 1) ^ sm) ? 0 : pointer + 1; jump = 0; break;
case '[':
if (!mem[pointer]) idx = LOOPINFO[idx][0] - 1, jump = 1;
else LOOPINFO[idx][1] = 1, jump = 0;
break;
case ']':
if (mem[pointer])
idx = LOOPINFO[idx][0] - 1, jump = 1;
else{
if (!jump) LOOPINFO[idx][1] = 1;
jump = 0;
}
break;
case ',': mem[pointer] = inputidx == si ? 255 : data[inputidx++]; jump = 0; break;
default: jump = 0; break;
}
++idx;
}
if (!(idx^sc)) printf("Terminates\n");
else
for (j = 1; j < sc; ++j)
if (input[j] == ']'&&LOOPINFO[LOOPINFO[j][0]][1] && !LOOPINFO[j][1]) {printf("Loops %d %d\n", LOOPINFO[j][0], j);break; }
}
}
|
