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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static struct Ins {
char op[4];
int arg;
} prog[1024];
static int acc;
static int pc;
static void step(void) {
if (!strcmp(prog[pc].op, "acc")) {
acc += prog[pc].arg;
} else if (!strcmp(prog[pc].op, "jmp")) {
pc += prog[pc].arg;
return;
}
pc++;
}
int main(void) {
int i = 0;
while (EOF != scanf("%s %d\n", prog[i].op, &prog[i].arg)) {
i++;
}
int ran[1024] = {0};
while (!ran[pc]++) {
step();
}
printf("%d\n", acc);
}
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