Eroare de compilare: main.cpp:1:20: warning: extra tokens at end of #include directive 1 | #include <iostream>\n#include <fstream>\n#include <vector>\n#include <algorithm>\n\nusing namespace std;\n\nconst int MAXN = 100005;\nint n, m;\nvector<int> a(MAXN);\nvector<vector<int>> tree(4 * MAXN);\n\nvoid build(int node, int start, int end) {\n if (start == end)\n tree[node] = {a[start], a[start]};\n else {\n int mid = (start + end) / 2;\n build(2 * node, start, mid);\n build(2 * node + 1, mid + 1, end);\n tree[node][0] = max(tree[2 * node][0], tree[2 * node + 1][0]);\n tree[node][1] = min(tree[2 * node][1], tree[2 * node + 1][1]);\n }\n}\n\nvoid update(int node, int start, int end, int idx, int val) {\n if (start == end)\n a[idx] = tree[node][0] = tree[node][1] = val;\n else {\n int mid = (start + end) / 2;\n if (idx <= mid)\n update(2 * node, start, mid, idx, val);\n else\n update(2 * node + 1, mid + 1, end, idx, val);\n tree[node][0] = max(tree[2 * node][0], tree[2 * node + 1][0]);\n tree[node][1] = min(tree[2 * node][1], tree[2 * node + 1][1]);\n }\n}\n\nint query(int node, int start, int end, int l, int r) {\n if (r < start || end < l)\n return INT_MIN;\n if (l <= start && end <= r)\n return tree[node][0];\n int mid = (start + end) / 2;\n int left = query(2 * node, start, mid, l, r);\n int right = query(2 * node + 1, mid + 1, end, l, r);\n return max(left, right);\n}\n\nint main() {\n ifstream fin(\"arbint.in\");\n ofstream fout(\"arbint.out\");\n\n fin >> n >> m;\n for (int i = 0; i < n; ++i)\n fin >> a[i];\n\n build(1, 0, n - 1);\n\n for (int i = 0; i < m; ++i) {\n int op, x, y;\n fin >> op >> x >> y;\n if (op == 0)\n fout << query(1, 0, n - 1, x - 1, y - 1) << '\\n';\n else\n update(1, 0, n - 1, x - 1, y);\n }\n\n return 0;\n} | ^ /usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/12.2.1/../../../../lib/crt1.o: in function `_start': /build/glibc/src/glibc/csu/../sysdeps/x86_64/start.S:103: undefined reference to `main' collect2: error: ld returned 1 exit status Non zero exit status: 1