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Submission #198829

# Submission time Handle Problem Language Result Execution time Memory
198829 2020-01-27T19:37:08 Z Markomafko972 Memory (IOI10_memory) C++14
0 / 100
 6 ms 376 KB 
#include "grader.h"
#include "memory.h"

void play() {
	int v[50][5];
	for (int i = 1; i <= 50; i++) v[i][0] = 0, v[i][1] = 0;
	for (int i = 1; i <= 50; i+= 2) {
		char c1 = faceup(i);
		char c2 = faceup(i+1);
		if (c1 != c2) {
			if (v[c1-'A'+1][0] == 0) v[c1-'A'+1][0] = i;
			else v[c1-'A'+1][1] = i;
			
			if (v[c2-'A'+1][0] == 0) v[c2-'A'+1][0] = i+1;
			else v[c2-'A'+1][1] = i+1;
		}
	}
	
	for (int i = 1; i <= 50; i++) {
		if (v[i][1] != 0) {
			faceup(v[i][0]);
			faceup(v[i][1]);
		}
	}
}

Compilation message

memory.cpp: In function 'void play()':
memory.cpp:6:40: warning: iteration 49 invokes undefined behavior [-Waggressive-loop-optimizations]
  for (int i = 1; i <= 50; i++) v[i][0] = 0, v[i][1] = 0;
                                ~~~~~~~~^~~
memory.cpp:6:20: note: within this loop
  for (int i = 1; i <= 50; i++) v[i][0] = 0, v[i][1] = 0;
                  ~~^~~~~

Subtask #1
0 / 50.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 376 KB Incorrect
2 Halted 0 ms 0 KB -

Subtask #2
0 / 50.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 248 KB Incorrect
2 Halted 0 ms 0 KB -