func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MaxN = 1e5;   struct NOOD {     int flag;     int l;     int r;     int v;   } num[MaxN + 5];   int ans[MaxN + 5], p[MaxN + 5];   bool ok[MaxN + 5], flag;   int Max;   int n, m;   int main() {     scanf( %d%d , &n, &m);     for (int i = 1; i <= m; i++) {       scanf( %d%d%d%d , &num[i].flag, &num[i].l, &num[i].r, &num[i].v);     }     for (int i = 1; i <= n; i++) ans[i] = -100000000;     for (int i = m; i >= 1; i--) {       if (num[i].flag == 1) {         for (int j = num[i].l; j <= num[i].r; j++) ans[j] -= num[i].v;       } else {         for (int j = num[i].l; j <= num[i].r; j++) {           if (ok[j] && ans[j] < num[i].v) continue;           ans[j] = num[i].v;           ok[j] = 1;         }       }     }     for (int i = 1; i <= n; i++) p[i] = ans[i];     for (int i = 1; i <= m; i++) {       if (num[i].flag == 1) {         for (int j = num[i].l; j <= num[i].r; j++) p[j] += num[i].v;       } else {         Max = -100000000;         for (int j = num[i].l; j <= num[i].r; j++) Max = max(Max, p[j]);         if (Max != num[i].v) flag = 1;       }     }     if (flag)       printf( NO n );     else {       printf( YES n );       for (int i = 1; i <= n; i++) printf( %d  , ans[i]);       printf(  n );     }   }   