commit 8f55f072cd8b23e52bc9cdbcca0cb4f5eae8324e parent 8564c3889a23b75f8669918822de4fb1763540cd Author: Antoine Amarilli <a3nm@a3nm.net> Date: Sat, 28 Mar 2015 12:32:34 +0100 fixing Diffstat:
| contest/a3nm/main.cpp | | | 59 | ++++++++++++++++++++++++++++++++--------------------------- |
| contest/a3nm/out | | | 797 | ++++++++++++++++++++++++++++++++++++++++--------------------------------------- |
2 files changed, 431 insertions(+), 425 deletions(-)
diff --git a/contest/a3nm/main.cpp b/contest/a3nm/main.cpp @@ -52,6 +52,36 @@ void calccoverage() { coverage[r][c].push_back(l); } +int chooseda(int b, int t, int a, int r, int c) { + int best = -2, bestda = 1; + for (int da = -1; da <= 1; da++) { + if (a <= 1 && da == -1) + continue; // don't go back down or go down on ground + if (a + da > A) + continue; // can't go too high + + // compute improvement + Pt next = dest[a + da][r][c]; + int cscore = 0; + // loons on ground and loons out don't help + if (a + da > 0 && next.r >= 0) { + for (unsigned int i = 0; i < coverage[next.r][next.c].size(); i++) { + int l = coverage[next.r][next.c][i]; + cscore += covered[t+1][l] ? 0 : 1; + } + } + if (next.r < 0) { + // out is BAD + cscore = -1; + } + if (cscore > best) { + best = cscore; + bestda = da; + } + } + return bestda; +} + int main(int argc, char **argv) { scanf("%d%d%d", &R, &C, &A); scanf("%d%d%d%d", &L, &V, &B, &T); @@ -61,7 +91,7 @@ int main(int argc, char **argv) { scanf("%d%d", &r, &c); target[l] = Pt(r, c); } - for (int a = 0; a < A; a++) + for (int a = 1; a <= A; a++) for (int r = 0; r < R; r++) for (int c = 0; c < C; c++) { int dr, dc; @@ -87,32 +117,7 @@ int main(int argc, char **argv) { int r = rs, c = cs, a = 0; // current pos for (int t = 0; t < T; t++) { //printf("loon %d at time %d is %d %d\n", b, t, r, c); - int best = -2, bestda = 0; - for (int da = -1; da <= 1; da++) { - if (a <= 1 && da == -1) - continue; // don't go back down or go down on ground - if (a + da > A) - continue; // can't go too high - - // compute improvement - Pt next = dest[a + da][r][c]; - int cscore = 0; - // loons on ground and loons out don't help - if (a + da > 0 && next.r >= 0) { - for (unsigned int i = 0; i < coverage[next.r][next.c].size(); i++) { - int l = coverage[next.r][next.c][i]; - cscore += covered[t+1][l] ? 0 : 1; - } - } - if (next.r < 0) { - // out is BAD - cscore = -1; - } - if (cscore > best) { - best = cscore; - bestda = da; - } - } + int bestda = chooseda(b, t, a, r, c); // ok, apply bestda a += bestda; solution[t][b] = bestda; diff --git a/contest/a3nm/out b/contest/a3nm/out @@ -1,400 +1,401 @@ +score 1589 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +-1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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