Submission #1029531

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
10295312024-07-21 03:16:03sleepntsheepTeleporters (IOI08_teleporters)C11
0 / 100
1090 ms31708 KiB
#include <stdio.h>
#define N 1000000
#define A 2000002
int n, m, a[N], b[N], count[A], next[A], o, succ[A], sussy[A], cyclen, cyc[A], ii, END = A - 1, len = -1, cur = 0;
int main() {
scanf("%d%d", &n, &m);
for (int i = 0; i < n; ++i)
scanf("%d%d", a+i, b+i),
++count[a[i]], ++count[b[i]];
for (int i = 0; i < sizeof succ / sizeof *succ; ++i)
succ[i] = -1;
int last = 0;
for (int i = 1; i < END; ++i) {
if (count[i]) {
if (!succ[0])
succ[0] = i;
next[last] = i;
next[last = i] = END;
}
count[i] = 0;
}
for (int i = 0; i < n; ++i)
succ[a[i]] = next[b[i]], succ[b[i]] = next[a[i]];
while (cur != END)
 
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Compilation message (stderr)

teleporters.c: In function 'main':
teleporters.c:9:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     scanf("%d%d", &n, &m);
      |     ^~~~~~~~~~~~~~~~~~~~~
teleporters.c:11:9: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         scanf("%d%d", a+i, b+i),
      |         ^~~~~~~~~~~~~~~~~~~~~~~
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