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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define BUFSZ 1024
char buf[BUFSZ];
int valuetbl[3] = {1, 2, 3};
int wintbl[3][3] = {
{3, 6, 0},
{0, 3, 6},
{6, 0, 3}
};
int score(char a, char b) {
return valuetbl[b - 'X'] + wintbl[a - 'A'][b - 'X'];
}
int main() {
FILE *fp = fopen("input", "r");
if (fp == NULL) return -1;
int scr = 0;
while (fgets(buf, BUFSZ, fp)) {
if (strlen(buf) <= 1) continue;
scr += score(buf[0], buf[2]);
}
printf("%d\n", scr);
return 0;
}
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