62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
#include <stdio.h>
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unsigned score(signed char (*board)[5]) {
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unsigned sum = 0;
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for (unsigned r = 0; r < 5; r++) {
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for (unsigned c = 0; c < 5; c++) {
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if (board[r][c] > 0)
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sum += board[r][c];
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}
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}
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return sum;
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}
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int main(void) {
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FILE *fp = fopen("input.txt", "r");
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signed char seq[100], boards[100][5][5];
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unsigned i, b, r, c;
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for (i = 0; i < 100; i++) {
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fscanf(fp, "%hhi%*c", &seq[i]);
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}
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for (b = 0; b < 100; b++) {
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for (r = 0; r < 5; r++) {
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for (c = 0; c < 5; c++)
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fscanf(fp, "%hhi", &boards[b][r][c]);
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}
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}
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for (i = 0; i < 100; i++) {
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for (b = 0; b < 100; b++) {
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for (r = 0; r < 5; r++) {
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int rowscore = 0;
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for (c = 0; c < 5; c++) {
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if (boards[b][r][c] == seq[i])
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boards[b][r][c] = -1;
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rowscore += boards[b][r][c];
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}
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if (rowscore == -5)
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goto end;
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}
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for (c = 0; c < 5; c++) {
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int colscore = 0;
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for (r = 0; r < 5; r++) {
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colscore += boards[b][r][c];
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}
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if (colscore == -5)
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goto end;
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}
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}
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}
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end:
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printf("Answer: %u\n", score(boards[b]) * seq[i]);
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}
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