blocks.cpp:1:9: warning: ISO C++11 requires whitespace after the macro name
1 | #define _CRT_SECURE_NO_WARNINGS#include <iostream>using namespace std;const int N = 100100, K = 101;int dp[N][K], a[N], prevv[N], mn[N];int main() { int n, k; scanf("%d%d", &n, &k); a[0] = 1e6 + 10; for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); int j = i - 1; while (a[j] < a[i]) { j = prevv[j]; } prevv[i] = j; } dp[0][1] = 1e9 + 10; dp[1][1] = a[1]; for (int i = 2; i <= n; i++) { dp[i][1] = max(dp[i - 1][1], a[i]); } for (int j = 2; j <= k; j++) { for (int i = 1; i <= n; i++) { mn[i] = 1e9 + 10; int x = i - 1; while (x != prevv[i]) { mn[i] = min(mn[i], mn[x]); x = prevv[x]; } mn[i] = min(mn[i], dp[i][j - 1]); } for (int i = 0; i <= n; i++) { if (i < j) dp[i][j] = 1e9 + 10; else { dp[i][j] = dp[prevv[i]][j]; dp[i][j] = min(dp[i][j], mn[i] + a[i]); } } } printf("%d\n", dp[n][k]);}
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/10/../../../x86_64-linux-gnu/crt1.o: in function `_start':
(.text+0x24): undefined reference to `main'
collect2: error: ld returned 1 exit status