1287. 最低通行费

http://ybt.ssoier.cn:8088/statusx.php?runidx=15577831

ybt/1287/1287.cpp

@@ -0,0 +1,33 @@
+#include <cstring>
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 105;
+
+int n, g[N][N], f[N][N];
+
+int main() {
+    std::ios::sync_with_stdio(false);
+
+    cin >> n;
+    for (int i = 1; i <= n; i++) {
+        for (int j = 1; j <= n; j++) {
+            cin >> g[i][j];
+        }
+    }
+
+    memset(f, 0x3f, sizeof(f));
+    f[0][1] = f[1][0] = 0;
+    for (int i = 1; i <= n; i++) {
+        for (int j = 1; j <= n; j++) {
+            f[i][j] = std::min(f[i - 1][j], f[i][j - 1]) + g[i][j];
+        }
+    }
+
+    cout << f[n][n] << endl;
+
+    return 0;
+}