#include <cstdio>
#include <algorithm>
static const int MAX_N = 100 * 1000;
int indeg[MAX_N]; // (>) How many of my stacks beat this stack
int outdeg[MAX_N]; // (<) How many of my stacks are beaten by this stack
void testCase()
{
int n, m;
scanf("%d %d", &n, &m);
for (int i = 0; i < n; i++)
indeg[i] = 0;
for (int i = 0; i < n; i++)
outdeg[i] = 0;
for (int i = 0; i < m; i++) {
int b;
char sign;
scanf("%*d %c %d", &sign, &b);
if (sign == '>')
indeg[b - 1]++;
else
outdeg[b - 1]++;
}
// Check the criterion for a winning strategy
for (int i = 0; i < n; i++) {
// If the opponent has a stack that loses
// with all of my stacks, I can always win
if (indeg[i] == n) {
puts("WYGRANA");
return;
}
// printf("I %d\n", indeg[i]);
}
// Can't win, but maybe I can draw?
// Check the criterion for an at-least-draw-strategy
for (int i = 0; i < n; i++) {
// If the opponent has at least one stack
// that doesn't beat any of my stacks,
// I can always draw or win (in this case
// only draw because we checked we can't win)
if (outdeg[i] == 0) {
puts("REMIS");
return;
}
// printf("O %d\n", outdeg[i]);
}
// Unfortunately, the opponent has the winning strategy...
// I can't win :(
puts("PRZEGRANA");
}
int main()
{
int t;
scanf("%d", &t);
while (t --> 0) {
testCase();
}
return 0;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | #include <cstdio> #include <algorithm> static const int MAX_N = 100 * 1000; int indeg[MAX_N]; // (>) How many of my stacks beat this stack int outdeg[MAX_N]; // (<) How many of my stacks are beaten by this stack void testCase() { int n, m; scanf("%d %d", &n, &m); for (int i = 0; i < n; i++) indeg[i] = 0; for (int i = 0; i < n; i++) outdeg[i] = 0; for (int i = 0; i < m; i++) { int b; char sign; scanf("%*d %c %d", &sign, &b); if (sign == '>') indeg[b - 1]++; else outdeg[b - 1]++; } // Check the criterion for a winning strategy for (int i = 0; i < n; i++) { // If the opponent has a stack that loses // with all of my stacks, I can always win if (indeg[i] == n) { puts("WYGRANA"); return; } // printf("I %d\n", indeg[i]); } // Can't win, but maybe I can draw? // Check the criterion for an at-least-draw-strategy for (int i = 0; i < n; i++) { // If the opponent has at least one stack // that doesn't beat any of my stacks, // I can always draw or win (in this case // only draw because we checked we can't win) if (outdeg[i] == 0) { puts("REMIS"); return; } // printf("O %d\n", outdeg[i]); } // Unfortunately, the opponent has the winning strategy... // I can't win :( puts("PRZEGRANA"); } int main() { int t; scanf("%d", &t); while (t --> 0) { testCase(); } return 0; } |
English