Răspuns :
#include <stdio.h>
#define MAX_N 10000
int a[MAX_N][MAX_N];
int main(void) { int n, m, curr, ans;
scanf("%d%d", &n, &m); for (int i = 0; i < n; ++i) { for (int j = 0; j < m; ++j) { scanf("%d", &a[i][j]); } }
ans = 0; for (int i = 0; i < n; ++i) { curr = 0; for (int j = 0; j < m; ++j) { if (a[i][j] == a[i][j + 1]) { ++curr; } } if (curr == m - 1) { ++ans; } } printf("%d\n", ans);
return 0;}
#define MAX_N 10000
int a[MAX_N][MAX_N];
int main(void) { int n, m, curr, ans;
scanf("%d%d", &n, &m); for (int i = 0; i < n; ++i) { for (int j = 0; j < m; ++j) { scanf("%d", &a[i][j]); } }
ans = 0; for (int i = 0; i < n; ++i) { curr = 0; for (int j = 0; j < m; ++j) { if (a[i][j] == a[i][j + 1]) { ++curr; } } if (curr == m - 1) { ++ans; } } printf("%d\n", ans);
return 0;}