34 lines
991 B
C
34 lines
991 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define BUFFER_SIZE 5
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#define score_play(p) (p - 'W')
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#define win(o, m) (o == m ? 3 : ((o - m == 1 || o - m == -2) ? 0 : 6))
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#define score_game(o, m) (score_play(m) + win((o - 'A'), (m - 'X')))
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#define win_strategy(o) (o - 'A' + 1 > 2 ? 'X' : o - 'A' + 1 + 'X')
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#define lose_strategy(o) (o - 'A' - 1 < 0 ? 'Z' : o - 'A' - 1 + 'X')
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#define draw_strategy(o) (o - 'A' + 'X')
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int main() {
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char buf[BUFFER_SIZE], *p, c, opponent, result, me;
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memset(buf, 0, BUFFER_SIZE);
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p = buf;
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unsigned score = 0;
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while ((c = getchar()) != EOF) {
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*p++ = c;
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if (c == '\n') {
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sscanf(buf, "%c %c", &opponent, &result);
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me = result == 'X' ? lose_strategy(opponent) : (result == 'Y' ? draw_strategy(opponent) : win_strategy(opponent));
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score += score_game(opponent, me);
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memset(buf, 0, BUFFER_SIZE);
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p = buf;
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}
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}
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printf("%u\n", score);
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}
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