'commit'

TangDou/LanQiaoBei/LanQiao12XuanBaSaiZhongJi/WanMeIFangZhen_2.cpp

@@ -0,0 +1,38 @@
+#include <iostream>
+using namespace std;
+const int N = 110;
+int a[N][N];
+
+int main() {
+    int n;
+    cin >> n;
+    for (int i = 1; i <= n; i++)
+        for (int j = 1; j <= n; j++)
+            cin >> a[i][j];
+    //首行累加和
+    int s = 0;
+    for (int i = 1; i <= n; i++) s += a[1][i];
+
+    //所有行进行判断
+    for (int i = 1; i <= n; i++) {
+        int t = 0;
+        for (int j = 1; j <= n; j++) t += a[i][j];
+        if (t != s) {
+            puts("NO");
+            return 0;
+        }
+    }
+
+    // 所有列进行判断
+    for (int j = 1; j <= n; j++) {
+        int t = 0;
+        for (int i = 1; i <= n; i++) t += a[i][j];
+        if (t != s) {
+            puts("NO");
+            return 0;
+        }
+    }
+
+    puts("YES");
+    return 0;
+}